Home / 141,976.50-212,902.38-53,167.73

Finding the Fourth Proportional to 141,976.50, 212,902.38 and 53,167.73

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Solution

The fourth proportional to 141,976.50, 212,902.38 and 53,167.73 is: 79,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,976.50 : 212,902.38 = 53,167.73 : x
  2. Step 2: Convert to fraction form
    141,976.50/212,902.38 = 53,167.73/x
  3. Step 3: Cross multiply
    141,976.50x = 212,902.38 × 53,167.73
  4. Step 4: Simplify right side
    141,976.50x = 11,319,535,191.69
  5. Step 5: Solve for x
    x = 11,319,535,191.69/141,976.50
  6. Step 6: Final answer
    x = 79,728.23

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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.