Home / 111,924.18-154,470.11-64,168.20

Finding the Fourth Proportional to 111,924.18, 154,470.11 and 64,168.20

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Solution

The fourth proportional to 111,924.18, 154,470.11 and 64,168.20 is: 88,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,924.18 : 154,470.11 = 64,168.20 : x
  2. Step 2: Convert to fraction form
    111,924.18/154,470.11 = 64,168.20/x
  3. Step 3: Cross multiply
    111,924.18x = 154,470.11 × 64,168.20
  4. Step 4: Simplify right side
    111,924.18x = 9,912,068,591.66
  5. Step 5: Solve for x
    x = 9,912,068,591.66/111,924.18
  6. Step 6: Final answer
    x = 88,560.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.