Home / 132,629.32-198,906.92-52,631.29

Finding the Fourth Proportional to 132,629.32, 198,906.92 and 52,631.29

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Solution

The fourth proportional to 132,629.32, 198,906.92 and 52,631.29 is: 78,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.32 : 198,906.92 = 52,631.29 : x
  2. Step 2: Convert to fraction form
    132,629.32/198,906.92 = 52,631.29/x
  3. Step 3: Cross multiply
    132,629.32x = 198,906.92 × 52,631.29
  4. Step 4: Simplify right side
    132,629.32x = 10,468,727,789.53
  5. Step 5: Solve for x
    x = 10,468,727,789.53/132,629.32
  6. Step 6: Final answer
    x = 78,932.23

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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.