Patrick House and Alfredo "Frado" Dinten were revealed to be two of The Biggest Loser's three tenth-season finalists during last night's penultimate broadcast of the NBC reality weight-loss show.

Home viewers will now decide which one of the season's two other remaining contestants -- Ada Wong, a 27-year-old high-tech company project coordinator from San Francisco, CA, or Elizabeth Ruiz, a 31-year-old medical assistant from Lawrence, MA -- will become the show's third finalist.

Immediately following the conclusion of last night's episode, home viewers could begin voting via NBC's website or text message for either Ada or Elizabeth. 

The contestant who receives the most votes will be revealed during The Biggest Loser's live tenth-season finale on Tuesday, December 14 at 8PM ET/PT.

The Biggest Loser's penultimate tenth-season episode began following the previous eliminations of Brendan Donovan and Mark Pinhasovich, as the four remaining contestants left the ranch and returned home, where they were welcomed by family and friends.

In addition, trainer Jillian Michaels traveled to Ada and Elizabeth's homes to help them workout, while fellow trainer Bob Harper went to the homes of Patrick, a 28-year-old sales representative from Vicksburg, MS, and Frado, a 43-year-old futures commodity trader from Staten Island, NY.

After six weeks at home, the four remaining contestants then returned to the Los Angeles area to run a full 26.2-mile marathon. The Biggest Loser host Alison Sweeney also revealed that when each contestant crossed the finish line, they'd receive $10,000 to donate to the charity of their choice.

The marathon then commenced and as they were running, the contestants were met with some encouragement -- as Patrick, Frado and Elizabeth were joined by Jillian and Frado was later joined by his daughter.

Ada was met by Bob more than halfway through the marathon and was later joined by friends before crossing the finish line with a time of 4:38:48 -- a new The Biggest Loser marathon record for female contestants.

Patrick was joined by his father-in-law and brother and eventually met up with his wife for the final mile, as the couple crossed the finish line together at 5:45:52. Frado was joined by the rest of his immediate family for the last mile, and they crossed the finish line at 5:51:12, while Elizabeth was met by her sister for the final mile, and they crossed the finish line together at 7:27:09.

The final four contestants then met for The Biggest Loser's penultimate tenth-season weigh-in.

Once there, Alison informed them that, similar to the show's last five seasons, the two contestants with the highest weight-loss percentage would automatically advance to the finale weigh-in while home viewers would get to determine which of the two contestants with the lowest weight-loss percentage would get to join them in the finale weigh-in.
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Elizabeth was the first to step on the scale. She left the ranch at 192 pounds and lost 15 pounds during her six weeks at home, dropping to 177, for a total weight-loss percentage of 7.81%. Frado went next. He left the ranch at 248 pounds and lost 27 while at home for a total weight-loss percentage of 10.89%.

Ada went third, and her previous weight at the ranch was 179 pounds. She needed to lose more than 19 pounds at home to stay above the yellow weigh-in line, but she only lost 12 for a total weight-loss percentage of 6.70%.

Patrick was the last to step on the scale -- and it was obvious he had lost quite a bit of weight since leaving the ranch. He needed to lose more than 21 pounds to guarantee himself a spot in the finale. He left the ranch at 279 pounds and slimmed down to 244. He lost 35 pounds at home for a total weight-loss percentage of 12.54%.

After learning that they'd finished as the two contestants with the lowest weight-loss percentage, Ada and Elizabeth each got a chance to record a video and plead their cases to home viewers.

"Hello America, I'd like to start by thanking you all for all the love and support you've shown me. It's been a long journey here and I feel like I've come a long way," Elizabeth said in her video. "And here I am standing in front of you today having completed a marathon of 26.2 miles -- goes to show that I've really become a different person."

Ada then recorded a teary eyed plea, telling home viewers how much she believed she deserved to remain in the competition.

"Ever since I got on the ranch, I treated this as a once in a lifetime opportunity and I pushed myself so that I knew that I was taking advantage of this opportunity, and I wanted to be an inspiration to you and I want you guys to feel at home like you can do it too," Ada said in her video.

"This is the first time I've fallen below the yellow line, and I'm just begging you, America, to give me a second chance."