Home / 132,331.20-198,496.80-82,248.90

Finding the Fourth Proportional to 132,331.20, 198,496.80 and 82,248.90

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Solution

The fourth proportional to 132,331.20, 198,496.80 and 82,248.90 is: 123,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,331.20 : 198,496.80 = 82,248.90 : x
  2. Step 2: Convert to fraction form
    132,331.20/198,496.80 = 82,248.90/x
  3. Step 3: Cross multiply
    132,331.20x = 198,496.80 × 82,248.90
  4. Step 4: Simplify right side
    132,331.20x = 16,326,143,453.52
  5. Step 5: Solve for x
    x = 16,326,143,453.52/132,331.20
  6. Step 6: Final answer
    x = 123,373.35

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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.