Home / 231,947.38-347,899.11-74,133.46

Finding the Fourth Proportional to 231,947.38, 347,899.11 and 74,133.46

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Solution

The fourth proportional to 231,947.38, 347,899.11 and 74,133.46 is: 111,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,947.38 : 347,899.11 = 74,133.46 : x
  2. Step 2: Convert to fraction form
    231,947.38/347,899.11 = 74,133.46/x
  3. Step 3: Cross multiply
    231,947.38x = 347,899.11 × 74,133.46
  4. Step 4: Simplify right side
    231,947.38x = 25,790,964,755.22
  5. Step 5: Solve for x
    x = 25,790,964,755.22/231,947.38
  6. Step 6: Final answer
    x = 111,193.17

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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.