Home / 176,610.61-243,715.22-100,134.85

Finding the Fourth Proportional to 176,610.61, 243,715.22 and 100,134.85

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Solution

The fourth proportional to 176,610.61, 243,715.22 and 100,134.85 is: 138,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,610.61 : 243,715.22 = 100,134.85 : x
  2. Step 2: Convert to fraction form
    176,610.61/243,715.22 = 100,134.85/x
  3. Step 3: Cross multiply
    176,610.61x = 243,715.22 × 100,134.85
  4. Step 4: Simplify right side
    176,610.61x = 24,404,385,278.17
  5. Step 5: Solve for x
    x = 24,404,385,278.17/176,610.61
  6. Step 6: Final answer
    x = 138,181.88

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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.