Home / 166,853.92-230,256.12-91,402.96

Finding the Fourth Proportional to 166,853.92, 230,256.12 and 91,402.96

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Solution

The fourth proportional to 166,853.92, 230,256.12 and 91,402.96 is: 126,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,853.92 : 230,256.12 = 91,402.96 : x
  2. Step 2: Convert to fraction form
    166,853.92/230,256.12 = 91,402.96/x
  3. Step 3: Cross multiply
    166,853.92x = 230,256.12 × 91,402.96
  4. Step 4: Simplify right side
    166,853.92x = 21,046,090,926.12
  5. Step 5: Solve for x
    x = 21,046,090,926.12/166,853.92
  6. Step 6: Final answer
    x = 126,134.83

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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.