Home / 198,179.20-296,865.60-123,068.80

Finding the Fourth Proportional to 198,179.20, 296,865.60 and 123,068.80

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Solution

The fourth proportional to 198,179.20, 296,865.60 and 123,068.80 is: 184,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,179.20 : 296,865.60 = 123,068.80 : x
  2. Step 2: Convert to fraction form
    198,179.20/296,865.60 = 123,068.80/x
  3. Step 3: Cross multiply
    198,179.20x = 296,865.60 × 123,068.80
  4. Step 4: Simplify right side
    198,179.20x = 36,534,893,153.28
  5. Step 5: Solve for x
    x = 36,534,893,153.28/198,179.20
  6. Step 6: Final answer
    x = 184,352.81

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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.