Home / 111,524.10-167,230.80-40,443.90

Finding the Fourth Proportional to 111,524.10, 167,230.80 and 40,443.90

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Solution

The fourth proportional to 111,524.10, 167,230.80 and 40,443.90 is: 60,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,524.10 : 167,230.80 = 40,443.90 : x
  2. Step 2: Convert to fraction form
    111,524.10/167,230.80 = 40,443.90/x
  3. Step 3: Cross multiply
    111,524.10x = 167,230.80 × 40,443.90
  4. Step 4: Simplify right side
    111,524.10x = 6,763,465,752.12
  5. Step 5: Solve for x
    x = 6,763,465,752.12/111,524.10
  6. Step 6: Final answer
    x = 60,645.78

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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.