Home / 168,535.08-252,876.38-79,851.88

Finding the Fourth Proportional to 168,535.08, 252,876.38 and 79,851.88

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Solution

The fourth proportional to 168,535.08, 252,876.38 and 79,851.88 is: 119,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,535.08 : 252,876.38 = 79,851.88 : x
  2. Step 2: Convert to fraction form
    168,535.08/252,876.38 = 79,851.88/x
  3. Step 3: Cross multiply
    168,535.08x = 252,876.38 × 79,851.88
  4. Step 4: Simplify right side
    168,535.08x = 20,192,654,350.59
  5. Step 5: Solve for x
    x = 20,192,654,350.59/168,535.08
  6. Step 6: Final answer
    x = 119,812.77

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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.