Home / 141,592.44-212,519.88-71,520.96

Finding the Fourth Proportional to 141,592.44, 212,519.88 and 71,520.96

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Solution

The fourth proportional to 141,592.44, 212,519.88 and 71,520.96 is: 107,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,592.44 : 212,519.88 = 71,520.96 : x
  2. Step 2: Convert to fraction form
    141,592.44/212,519.88 = 71,520.96/x
  3. Step 3: Cross multiply
    141,592.44x = 212,519.88 × 71,520.96
  4. Step 4: Simplify right side
    141,592.44x = 15,199,625,836.68
  5. Step 5: Solve for x
    x = 15,199,625,836.68/141,592.44
  6. Step 6: Final answer
    x = 107,347.72

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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.