Home / 188,836.60-260,601.94-103,961.56

Finding the Fourth Proportional to 188,836.60, 260,601.94 and 103,961.56

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Solution

The fourth proportional to 188,836.60, 260,601.94 and 103,961.56 is: 143,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,836.60 : 260,601.94 = 103,961.56 : x
  2. Step 2: Convert to fraction form
    188,836.60/260,601.94 = 103,961.56/x
  3. Step 3: Cross multiply
    188,836.60x = 260,601.94 × 103,961.56
  4. Step 4: Simplify right side
    188,836.60x = 27,092,584,221.43
  5. Step 5: Solve for x
    x = 27,092,584,221.43/188,836.60
  6. Step 6: Final answer
    x = 143,471.04

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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.