Home / 204,434.54-306,691.92-71,319.14

Finding the Fourth Proportional to 204,434.54, 306,691.92 and 71,319.14

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Solution

The fourth proportional to 204,434.54, 306,691.92 and 71,319.14 is: 106,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,434.54 : 306,691.92 = 71,319.14 : x
  2. Step 2: Convert to fraction form
    204,434.54/306,691.92 = 71,319.14/x
  3. Step 3: Cross multiply
    204,434.54x = 306,691.92 × 71,319.14
  4. Step 4: Simplify right side
    204,434.54x = 21,873,002,445.89
  5. Step 5: Solve for x
    x = 21,873,002,445.89/204,434.54
  6. Step 6: Final answer
    x = 106,992.70

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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.