Home / 231,918.30-347,877.45-74,151.90

Finding the Fourth Proportional to 231,918.30, 347,877.45 and 74,151.90

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Solution

The fourth proportional to 231,918.30, 347,877.45 and 74,151.90 is: 111,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,918.30 : 347,877.45 = 74,151.90 : x
  2. Step 2: Convert to fraction form
    231,918.30/347,877.45 = 74,151.90/x
  3. Step 3: Cross multiply
    231,918.30x = 347,877.45 × 74,151.90
  4. Step 4: Simplify right side
    231,918.30x = 25,795,773,884.66
  5. Step 5: Solve for x
    x = 25,795,773,884.66/231,918.30
  6. Step 6: Final answer
    x = 111,227.85

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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.