Home / 138,066.24-207,121.20-44,550.12

Finding the Fourth Proportional to 138,066.24, 207,121.20 and 44,550.12

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Solution

The fourth proportional to 138,066.24, 207,121.20 and 44,550.12 is: 66,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,066.24 : 207,121.20 = 44,550.12 : x
  2. Step 2: Convert to fraction form
    138,066.24/207,121.20 = 44,550.12/x
  3. Step 3: Cross multiply
    138,066.24x = 207,121.20 × 44,550.12
  4. Step 4: Simplify right side
    138,066.24x = 9,227,274,314.54
  5. Step 5: Solve for x
    x = 9,227,274,314.54/138,066.24
  6. Step 6: Final answer
    x = 66,832.23

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1.5x scale

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.