Home / 168,060.96-231,921.15-91,580.73

Finding the Fourth Proportional to 168,060.96, 231,921.15 and 91,580.73

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Solution

The fourth proportional to 168,060.96, 231,921.15 and 91,580.73 is: 126,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,060.96 : 231,921.15 = 91,580.73 : x
  2. Step 2: Convert to fraction form
    168,060.96/231,921.15 = 91,580.73/x
  3. Step 3: Cross multiply
    168,060.96x = 231,921.15 × 91,580.73
  4. Step 4: Simplify right side
    168,060.96x = 21,239,508,219.44
  5. Step 5: Solve for x
    x = 21,239,508,219.44/168,060.96
  6. Step 6: Final answer
    x = 126,379.79

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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.