Home / 132,472.34-198,709.09-42,528.71

Finding the Fourth Proportional to 132,472.34, 198,709.09 and 42,528.71

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Solution

The fourth proportional to 132,472.34, 198,709.09 and 42,528.71 is: 63,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,472.34 : 198,709.09 = 42,528.71 : x
  2. Step 2: Convert to fraction form
    132,472.34/198,709.09 = 42,528.71/x
  3. Step 3: Cross multiply
    132,472.34x = 198,709.09 × 42,528.71
  4. Step 4: Simplify right side
    132,472.34x = 8,450,841,593.62
  5. Step 5: Solve for x
    x = 8,450,841,593.62/132,472.34
  6. Step 6: Final answer
    x = 63,793.26

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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.