Home / 107,850.42-161,539.92-88,917.75

Finding the Fourth Proportional to 107,850.42, 161,539.92 and 88,917.75

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Solution

The fourth proportional to 107,850.42, 161,539.92 and 88,917.75 is: 133,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,850.42 : 161,539.92 = 88,917.75 : x
  2. Step 2: Convert to fraction form
    107,850.42/161,539.92 = 88,917.75/x
  3. Step 3: Cross multiply
    107,850.42x = 161,539.92 × 88,917.75
  4. Step 4: Simplify right side
    107,850.42x = 14,363,766,221.58
  5. Step 5: Solve for x
    x = 14,363,766,221.58/107,850.42
  6. Step 6: Final answer
    x = 133,182.29

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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.