Home / 141,589.44-212,515.38-71,517.96

Finding the Fourth Proportional to 141,589.44, 212,515.38 and 71,517.96

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Solution

The fourth proportional to 141,589.44, 212,515.38 and 71,517.96 is: 107,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,589.44 : 212,515.38 = 71,517.96 : x
  2. Step 2: Convert to fraction form
    141,589.44/212,515.38 = 71,517.96/x
  3. Step 3: Cross multiply
    141,589.44x = 212,515.38 × 71,517.96
  4. Step 4: Simplify right side
    141,589.44x = 15,198,666,446.22
  5. Step 5: Solve for x
    x = 15,198,666,446.22/141,589.44
  6. Step 6: Final answer
    x = 107,343.22

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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.