Home / 113,082.20-169,623.30-111,008.60

Finding the Fourth Proportional to 113,082.20, 169,623.30 and 111,008.60

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Solution

The fourth proportional to 113,082.20, 169,623.30 and 111,008.60 is: 166,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,082.20 : 169,623.30 = 111,008.60 : x
  2. Step 2: Convert to fraction form
    113,082.20/169,623.30 = 111,008.60/x
  3. Step 3: Cross multiply
    113,082.20x = 169,623.30 × 111,008.60
  4. Step 4: Simplify right side
    113,082.20x = 18,829,645,060.38
  5. Step 5: Solve for x
    x = 18,829,645,060.38/113,082.20
  6. Step 6: Final answer
    x = 166,512.90

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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.