Home / 141,387.26-212,178.10-52,711.70

Finding the Fourth Proportional to 141,387.26, 212,178.10 and 52,711.70

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Solution

The fourth proportional to 141,387.26, 212,178.10 and 52,711.70 is: 79,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,387.26 : 212,178.10 = 52,711.70 : x
  2. Step 2: Convert to fraction form
    141,387.26/212,178.10 = 52,711.70/x
  3. Step 3: Cross multiply
    141,387.26x = 212,178.10 × 52,711.70
  4. Step 4: Simplify right side
    141,387.26x = 11,184,268,353.77
  5. Step 5: Solve for x
    x = 11,184,268,353.77/141,387.26
  6. Step 6: Final answer
    x = 79,103.79

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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.