Home / 118,845.12-178,201.92-48,773.76

Finding the Fourth Proportional to 118,845.12, 178,201.92 and 48,773.76

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Solution

The fourth proportional to 118,845.12, 178,201.92 and 48,773.76 is: 73,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,845.12 : 178,201.92 = 48,773.76 : x
  2. Step 2: Convert to fraction form
    118,845.12/178,201.92 = 48,773.76/x
  3. Step 3: Cross multiply
    118,845.12x = 178,201.92 × 48,773.76
  4. Step 4: Simplify right side
    118,845.12x = 8,691,577,677.62
  5. Step 5: Solve for x
    x = 8,691,577,677.62/118,845.12
  6. Step 6: Final answer
    x = 73,133.65

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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.