Home / 132,451.76-198,673.18-57,571.86

Finding the Fourth Proportional to 132,451.76, 198,673.18 and 57,571.86

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Solution

The fourth proportional to 132,451.76, 198,673.18 and 57,571.86 is: 86,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.76 : 198,673.18 = 57,571.86 : x
  2. Step 2: Convert to fraction form
    132,451.76/198,673.18 = 57,571.86/x
  3. Step 3: Cross multiply
    132,451.76x = 198,673.18 × 57,571.86
  4. Step 4: Simplify right side
    132,451.76x = 11,437,984,504.71
  5. Step 5: Solve for x
    x = 11,437,984,504.71/132,451.76
  6. Step 6: Final answer
    x = 86,355.85

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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.