Home / 133,082.20-199,331.70-115,586.20

Finding the Fourth Proportional to 133,082.20, 199,331.70 and 115,586.20

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Solution

The fourth proportional to 133,082.20, 199,331.70 and 115,586.20 is: 173,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,082.20 : 199,331.70 = 115,586.20 : x
  2. Step 2: Convert to fraction form
    133,082.20/199,331.70 = 115,586.20/x
  3. Step 3: Cross multiply
    133,082.20x = 199,331.70 × 115,586.20
  4. Step 4: Simplify right side
    133,082.20x = 23,039,993,742.54
  5. Step 5: Solve for x
    x = 23,039,993,742.54/133,082.20
  6. Step 6: Final answer
    x = 173,126.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.