Home / 166,773.06-230,146.92-91,321.56

Finding the Fourth Proportional to 166,773.06, 230,146.92 and 91,321.56

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Solution

The fourth proportional to 166,773.06, 230,146.92 and 91,321.56 is: 126,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,773.06 : 230,146.92 = 91,321.56 : x
  2. Step 2: Convert to fraction form
    166,773.06/230,146.92 = 91,321.56/x
  3. Step 3: Cross multiply
    166,773.06x = 230,146.92 × 91,321.56
  4. Step 4: Simplify right side
    166,773.06x = 21,017,375,763.60
  5. Step 5: Solve for x
    x = 21,017,375,763.60/166,773.06
  6. Step 6: Final answer
    x = 126,023.81

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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.