Home / 231,771.67-347,711.76-71,839.27

Finding the Fourth Proportional to 231,771.67, 347,711.76 and 71,839.27

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Solution

The fourth proportional to 231,771.67, 347,711.76 and 71,839.27 is: 107,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,771.67 : 347,711.76 = 71,839.27 : x
  2. Step 2: Convert to fraction form
    231,771.67/347,711.76 = 71,839.27/x
  3. Step 3: Cross multiply
    231,771.67x = 347,711.76 × 71,839.27
  4. Step 4: Simplify right side
    231,771.67x = 24,979,359,008.82
  5. Step 5: Solve for x
    x = 24,979,359,008.82/231,771.67
  6. Step 6: Final answer
    x = 107,775.72

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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.