Home / 141,418.94-212,517.20-132,171.98

Finding the Fourth Proportional to 141,418.94, 212,517.20 and 132,171.98

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Solution

The fourth proportional to 141,418.94, 212,517.20 and 132,171.98 is: 198,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,418.94 : 212,517.20 = 132,171.98 : x
  2. Step 2: Convert to fraction form
    141,418.94/212,517.20 = 132,171.98/x
  3. Step 3: Cross multiply
    141,418.94x = 212,517.20 × 132,171.98
  4. Step 4: Simplify right side
    141,418.94x = 28,088,818,375.90
  5. Step 5: Solve for x
    x = 28,088,818,375.90/141,418.94
  6. Step 6: Final answer
    x = 198,621.34

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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.