Home / 167,757.33-231,590.85-129,430.83

Finding the Fourth Proportional to 167,757.33, 231,590.85 and 129,430.83

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Solution

The fourth proportional to 167,757.33, 231,590.85 and 129,430.83 is: 178,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,757.33 : 231,590.85 = 129,430.83 : x
  2. Step 2: Convert to fraction form
    167,757.33/231,590.85 = 129,430.83/x
  3. Step 3: Cross multiply
    167,757.33x = 231,590.85 × 129,430.83
  4. Step 4: Simplify right side
    167,757.33x = 29,974,995,935.91
  5. Step 5: Solve for x
    x = 29,974,995,935.91/167,757.33
  6. Step 6: Final answer
    x = 178,680.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.