Home / 132,372.27-198,446.76-57,435.93

Finding the Fourth Proportional to 132,372.27, 198,446.76 and 57,435.93

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Solution

The fourth proportional to 132,372.27, 198,446.76 and 57,435.93 is: 86,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.27 : 198,446.76 = 57,435.93 : x
  2. Step 2: Convert to fraction form
    132,372.27/198,446.76 = 57,435.93/x
  3. Step 3: Cross multiply
    132,372.27x = 198,446.76 × 57,435.93
  4. Step 4: Simplify right side
    132,372.27x = 11,397,974,216.09
  5. Step 5: Solve for x
    x = 11,397,974,216.09/132,372.27
  6. Step 6: Final answer
    x = 86,105.45

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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.