Home / 188,936.92-260,724.54-108,306.64

Finding the Fourth Proportional to 188,936.92, 260,724.54 and 108,306.64

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Solution

The fourth proportional to 188,936.92, 260,724.54 and 108,306.64 is: 149,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,936.92 : 260,724.54 = 108,306.64 : x
  2. Step 2: Convert to fraction form
    188,936.92/260,724.54 = 108,306.64/x
  3. Step 3: Cross multiply
    188,936.92x = 260,724.54 × 108,306.64
  4. Step 4: Simplify right side
    188,936.92x = 28,238,198,892.95
  5. Step 5: Solve for x
    x = 28,238,198,892.95/188,936.92
  6. Step 6: Final answer
    x = 149,458.34

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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.