Home / 168,532.50-252,872.55-79,849.38

Finding the Fourth Proportional to 168,532.50, 252,872.55 and 79,849.38

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Solution

The fourth proportional to 168,532.50, 252,872.55 and 79,849.38 is: 119,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,532.50 : 252,872.55 = 79,849.38 : x
  2. Step 2: Convert to fraction form
    168,532.50/252,872.55 = 79,849.38/x
  3. Step 3: Cross multiply
    168,532.50x = 252,872.55 × 79,849.38
  4. Step 4: Simplify right side
    168,532.50x = 20,191,716,336.52
  5. Step 5: Solve for x
    x = 20,191,716,336.52/168,532.50
  6. Step 6: Final answer
    x = 119,809.04

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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.