Home / 167,481.90-231,122.40-92,028.78

Finding the Fourth Proportional to 167,481.90, 231,122.40 and 92,028.78

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Solution

The fourth proportional to 167,481.90, 231,122.40 and 92,028.78 is: 126,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,481.90 : 231,122.40 = 92,028.78 : x
  2. Step 2: Convert to fraction form
    167,481.90/231,122.40 = 92,028.78/x
  3. Step 3: Cross multiply
    167,481.90x = 231,122.40 × 92,028.78
  4. Step 4: Simplify right side
    167,481.90x = 21,269,912,502.67
  5. Step 5: Solve for x
    x = 21,269,912,502.67/167,481.90
  6. Step 6: Final answer
    x = 126,998.28

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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.