Home / 381,327.50-572,149.89-167,986.22

Finding the Fourth Proportional to 381,327.50, 572,149.89 and 167,986.22

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Solution

The fourth proportional to 381,327.50, 572,149.89 and 167,986.22 is: 252,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,327.50 : 572,149.89 = 167,986.22 : x
  2. Step 2: Convert to fraction form
    381,327.50/572,149.89 = 167,986.22/x
  3. Step 3: Cross multiply
    381,327.50x = 572,149.89 × 167,986.22
  4. Step 4: Simplify right side
    381,327.50x = 96,113,297,294.52
  5. Step 5: Solve for x
    x = 96,113,297,294.52/381,327.50
  6. Step 6: Final answer
    x = 252,049.22

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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.