Home / 162,961.20-224,884.40-91,341.12

Finding the Fourth Proportional to 162,961.20, 224,884.40 and 91,341.12

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Solution

The fourth proportional to 162,961.20, 224,884.40 and 91,341.12 is: 126,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,961.20 : 224,884.40 = 91,341.12 : x
  2. Step 2: Convert to fraction form
    162,961.20/224,884.40 = 91,341.12/x
  3. Step 3: Cross multiply
    162,961.20x = 224,884.40 × 91,341.12
  4. Step 4: Simplify right side
    162,961.20x = 20,541,192,966.53
  5. Step 5: Solve for x
    x = 20,541,192,966.53/162,961.20
  6. Step 6: Final answer
    x = 126,049.59

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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.