Home / 200,962.02-277,270.77-129,383.49

Finding the Fourth Proportional to 200,962.02, 277,270.77 and 129,383.49

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Solution

The fourth proportional to 200,962.02, 277,270.77 and 129,383.49 is: 178,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,962.02 : 277,270.77 = 129,383.49 : x
  2. Step 2: Convert to fraction form
    200,962.02/277,270.77 = 129,383.49/x
  3. Step 3: Cross multiply
    200,962.02x = 277,270.77 × 129,383.49
  4. Step 4: Simplify right side
    200,962.02x = 35,874,259,897.59
  5. Step 5: Solve for x
    x = 35,874,259,897.59/200,962.02
  6. Step 6: Final answer
    x = 178,512.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.