Home / 166,432.38-229,676.68-90,980.88

Finding the Fourth Proportional to 166,432.38, 229,676.68 and 90,980.88

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Solution

The fourth proportional to 166,432.38, 229,676.68 and 90,980.88 is: 125,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,432.38 : 229,676.68 = 90,980.88 : x
  2. Step 2: Convert to fraction form
    166,432.38/229,676.68 = 90,980.88/x
  3. Step 3: Cross multiply
    166,432.38x = 229,676.68 × 90,980.88
  4. Step 4: Simplify right side
    166,432.38x = 20,896,186,461.88
  5. Step 5: Solve for x
    x = 20,896,186,461.88/166,432.38
  6. Step 6: Final answer
    x = 125,553.61

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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.