Home / 166,517.38-229,799.45-91,065.88

Finding the Fourth Proportional to 166,517.38, 229,799.45 and 91,065.88

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Solution

The fourth proportional to 166,517.38, 229,799.45 and 91,065.88 is: 125,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,517.38 : 229,799.45 = 91,065.88 : x
  2. Step 2: Convert to fraction form
    166,517.38/229,799.45 = 91,065.88/x
  3. Step 3: Cross multiply
    166,517.38x = 229,799.45 × 91,065.88
  4. Step 4: Simplify right side
    166,517.38x = 20,926,889,137.77
  5. Step 5: Solve for x
    x = 20,926,889,137.77/166,517.38
  6. Step 6: Final answer
    x = 125,673.90

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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.