Home / 204,171.91-306,296.49-67,402.73

Finding the Fourth Proportional to 204,171.91, 306,296.49 and 67,402.73

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Solution

The fourth proportional to 204,171.91, 306,296.49 and 67,402.73 is: 101,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,171.91 : 306,296.49 = 67,402.73 : x
  2. Step 2: Convert to fraction form
    204,171.91/306,296.49 = 67,402.73/x
  3. Step 3: Cross multiply
    204,171.91x = 306,296.49 × 67,402.73
  4. Step 4: Simplify right side
    204,171.91x = 20,645,220,254.78
  5. Step 5: Solve for x
    x = 20,645,220,254.78/204,171.91
  6. Step 6: Final answer
    x = 101,116.85

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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.