Home / 132,340.92-198,399.78-57,404.67

Finding the Fourth Proportional to 132,340.92, 198,399.78 and 57,404.67

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Solution

The fourth proportional to 132,340.92, 198,399.78 and 57,404.67 is: 86,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.92 : 198,399.78 = 57,404.67 : x
  2. Step 2: Convert to fraction form
    132,340.92/198,399.78 = 57,404.67/x
  3. Step 3: Cross multiply
    132,340.92x = 198,399.78 × 57,404.67
  4. Step 4: Simplify right side
    132,340.92x = 11,389,073,898.97
  5. Step 5: Solve for x
    x = 11,389,073,898.97/132,340.92
  6. Step 6: Final answer
    x = 86,058.60

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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.