Home / 234,115.17-323,079.79-126,685.20

Finding the Fourth Proportional to 234,115.17, 323,079.79 and 126,685.20

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Solution

The fourth proportional to 234,115.17, 323,079.79 and 126,685.20 is: 174,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,115.17 : 323,079.79 = 126,685.20 : x
  2. Step 2: Convert to fraction form
    234,115.17/323,079.79 = 126,685.20/x
  3. Step 3: Cross multiply
    234,115.17x = 323,079.79 × 126,685.20
  4. Step 4: Simplify right side
    234,115.17x = 40,929,427,812.11
  5. Step 5: Solve for x
    x = 40,929,427,812.11/234,115.17
  6. Step 6: Final answer
    x = 174,826.04

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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.