Home / 179,755.20-269,805.60-91,108.80

Finding the Fourth Proportional to 179,755.20, 269,805.60 and 91,108.80

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Solution

The fourth proportional to 179,755.20, 269,805.60 and 91,108.80 is: 136,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,755.20 : 269,805.60 = 91,108.80 : x
  2. Step 2: Convert to fraction form
    179,755.20/269,805.60 = 91,108.80/x
  3. Step 3: Cross multiply
    179,755.20x = 269,805.60 × 91,108.80
  4. Step 4: Simplify right side
    179,755.20x = 24,581,664,449.28
  5. Step 5: Solve for x
    x = 24,581,664,449.28/179,755.20
  6. Step 6: Final answer
    x = 136,750.78

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1.5x scale

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.