Home / 188,664.94-260,319.86-108,117.73

Finding the Fourth Proportional to 188,664.94, 260,319.86 and 108,117.73

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Solution

The fourth proportional to 188,664.94, 260,319.86 and 108,117.73 is: 149,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,664.94 : 260,319.86 = 108,117.73 : x
  2. Step 2: Convert to fraction form
    188,664.94/260,319.86 = 108,117.73/x
  3. Step 3: Cross multiply
    188,664.94x = 260,319.86 × 108,117.73
  4. Step 4: Simplify right side
    188,664.94x = 28,145,191,796.53
  5. Step 5: Solve for x
    x = 28,145,191,796.53/188,664.94
  6. Step 6: Final answer
    x = 149,180.83

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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.