Home / 515,587.14-773,196.17-178,537.30

Finding the Fourth Proportional to 515,587.14, 773,196.17 and 178,537.30

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Solution

The fourth proportional to 515,587.14, 773,196.17 and 178,537.30 is: 267,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,587.14 : 773,196.17 = 178,537.30 : x
  2. Step 2: Convert to fraction form
    515,587.14/773,196.17 = 178,537.30/x
  3. Step 3: Cross multiply
    515,587.14x = 773,196.17 × 178,537.30
  4. Step 4: Simplify right side
    515,587.14x = 138,044,353,736.46
  5. Step 5: Solve for x
    x = 138,044,353,736.46/515,587.14
  6. Step 6: Final answer
    x = 267,742.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.