Home / 111,350.10-167,037.30-107,850.90

Finding the Fourth Proportional to 111,350.10, 167,037.30 and 107,850.90

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Solution

The fourth proportional to 111,350.10, 167,037.30 and 107,850.90 is: 161,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,350.10 : 167,037.30 = 107,850.90 : x
  2. Step 2: Convert to fraction form
    111,350.10/167,037.30 = 107,850.90/x
  3. Step 3: Cross multiply
    111,350.10x = 167,037.30 × 107,850.90
  4. Step 4: Simplify right side
    111,350.10x = 18,015,123,138.57
  5. Step 5: Solve for x
    x = 18,015,123,138.57/111,350.10
  6. Step 6: Final answer
    x = 161,788.12

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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.