Home / 167,131.38-250,773.60-72,390.54

Finding the Fourth Proportional to 167,131.38, 250,773.60 and 72,390.54

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Solution

The fourth proportional to 167,131.38, 250,773.60 and 72,390.54 is: 108,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,131.38 : 250,773.60 = 72,390.54 : x
  2. Step 2: Convert to fraction form
    167,131.38/250,773.60 = 72,390.54/x
  3. Step 3: Cross multiply
    167,131.38x = 250,773.60 × 72,390.54
  4. Step 4: Simplify right side
    167,131.38x = 18,153,636,321.74
  5. Step 5: Solve for x
    x = 18,153,636,321.74/167,131.38
  6. Step 6: Final answer
    x = 108,618.96

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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.