Home / 141,717.60-212,449.92-52,902.72

Finding the Fourth Proportional to 141,717.60, 212,449.92 and 52,902.72

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Solution

The fourth proportional to 141,717.60, 212,449.92 and 52,902.72 is: 79,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,717.60 : 212,449.92 = 52,902.72 : x
  2. Step 2: Convert to fraction form
    141,717.60/212,449.92 = 52,902.72/x
  3. Step 3: Cross multiply
    141,717.60x = 212,449.92 × 52,902.72
  4. Step 4: Simplify right side
    141,717.60x = 11,239,178,631.78
  5. Step 5: Solve for x
    x = 11,239,178,631.78/141,717.60
  6. Step 6: Final answer
    x = 79,306.87

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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.