Home / 166,587.38-229,896.12-91,135.88

Finding the Fourth Proportional to 166,587.38, 229,896.12 and 91,135.88

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Solution

The fourth proportional to 166,587.38, 229,896.12 and 91,135.88 is: 125,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,587.38 : 229,896.12 = 91,135.88 : x
  2. Step 2: Convert to fraction form
    166,587.38/229,896.12 = 91,135.88/x
  3. Step 3: Cross multiply
    166,587.38x = 229,896.12 × 91,135.88
  4. Step 4: Simplify right side
    166,587.38x = 20,951,785,204.79
  5. Step 5: Solve for x
    x = 20,951,785,204.79/166,587.38
  6. Step 6: Final answer
    x = 125,770.54

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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.