Home / 168,542.92-252,716.57-79,795.68

Finding the Fourth Proportional to 168,542.92, 252,716.57 and 79,795.68

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Solution

The fourth proportional to 168,542.92, 252,716.57 and 79,795.68 is: 119,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,542.92 : 252,716.57 = 79,795.68 : x
  2. Step 2: Convert to fraction form
    168,542.92/252,716.57 = 79,795.68/x
  3. Step 3: Cross multiply
    168,542.92x = 252,716.57 × 79,795.68
  4. Step 4: Simplify right side
    168,542.92x = 20,165,690,550.42
  5. Step 5: Solve for x
    x = 20,165,690,550.42/168,542.92
  6. Step 6: Final answer
    x = 119,647.21

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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.