Home / 166,724.38-230,079.65-91,272.88

Finding the Fourth Proportional to 166,724.38, 230,079.65 and 91,272.88

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Solution

The fourth proportional to 166,724.38, 230,079.65 and 91,272.88 is: 125,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,724.38 : 230,079.65 = 91,272.88 : x
  2. Step 2: Convert to fraction form
    166,724.38/230,079.65 = 91,272.88/x
  3. Step 3: Cross multiply
    166,724.38x = 230,079.65 × 91,272.88
  4. Step 4: Simplify right side
    166,724.38x = 21,000,031,134.49
  5. Step 5: Solve for x
    x = 21,000,031,134.49/166,724.38
  6. Step 6: Final answer
    x = 125,956.57

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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.