Home / 132,435.73-198,649.17-57,555.88

Finding the Fourth Proportional to 132,435.73, 198,649.17 and 57,555.88

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Solution

The fourth proportional to 132,435.73, 198,649.17 and 57,555.88 is: 86,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,435.73 : 198,649.17 = 57,555.88 : x
  2. Step 2: Convert to fraction form
    132,435.73/198,649.17 = 57,555.88/x
  3. Step 3: Cross multiply
    132,435.73x = 198,649.17 × 57,555.88
  4. Step 4: Simplify right side
    132,435.73x = 11,433,427,790.62
  5. Step 5: Solve for x
    x = 11,433,427,790.62/132,435.73
  6. Step 6: Final answer
    x = 86,331.90

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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.