Home / 188,816.43-260,536.17-108,229.14

Finding the Fourth Proportional to 188,816.43, 260,536.17 and 108,229.14

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Solution

The fourth proportional to 188,816.43, 260,536.17 and 108,229.14 is: 149,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,816.43 : 260,536.17 = 108,229.14 : x
  2. Step 2: Convert to fraction form
    188,816.43/260,536.17 = 108,229.14/x
  3. Step 3: Cross multiply
    188,816.43x = 260,536.17 × 108,229.14
  4. Step 4: Simplify right side
    188,816.43x = 28,197,605,617.99
  5. Step 5: Solve for x
    x = 28,197,605,617.99/188,816.43
  6. Step 6: Final answer
    x = 149,338.73

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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.