Home / 166,585.38-229,893.36-91,133.88

Finding the Fourth Proportional to 166,585.38, 229,893.36 and 91,133.88

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Solution

The fourth proportional to 166,585.38, 229,893.36 and 91,133.88 is: 125,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,585.38 : 229,893.36 = 91,133.88 : x
  2. Step 2: Convert to fraction form
    166,585.38/229,893.36 = 91,133.88/x
  3. Step 3: Cross multiply
    166,585.38x = 229,893.36 × 91,133.88
  4. Step 4: Simplify right side
    166,585.38x = 20,951,073,883.04
  5. Step 5: Solve for x
    x = 20,951,073,883.04/166,585.38
  6. Step 6: Final answer
    x = 125,767.78

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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.