Home / 132,340.42-198,399.03-57,404.17

Finding the Fourth Proportional to 132,340.42, 198,399.03 and 57,404.17

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Solution

The fourth proportional to 132,340.42, 198,399.03 and 57,404.17 is: 86,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.42 : 198,399.03 = 57,404.17 : x
  2. Step 2: Convert to fraction form
    132,340.42/198,399.03 = 57,404.17/x
  3. Step 3: Cross multiply
    132,340.42x = 198,399.03 × 57,404.17
  4. Step 4: Simplify right side
    132,340.42x = 11,388,931,645.96
  5. Step 5: Solve for x
    x = 11,388,931,645.96/132,340.42
  6. Step 6: Final answer
    x = 86,057.85

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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.