Home / 111,612.20-167,204.46-107,860.28

Finding the Fourth Proportional to 111,612.20, 167,204.46 and 107,860.28

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Solution

The fourth proportional to 111,612.20, 167,204.46 and 107,860.28 is: 161,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,612.20 : 167,204.46 = 107,860.28 : x
  2. Step 2: Convert to fraction form
    111,612.20/167,204.46 = 107,860.28/x
  3. Step 3: Cross multiply
    111,612.20x = 167,204.46 × 107,860.28
  4. Step 4: Simplify right side
    111,612.20x = 18,034,719,872.85
  5. Step 5: Solve for x
    x = 18,034,719,872.85/111,612.20
  6. Step 6: Final answer
    x = 161,583.77

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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.