Home / 218,077.20-328,600.08-179,499.60

Finding the Fourth Proportional to 218,077.20, 328,600.08 and 179,499.60

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Solution

The fourth proportional to 218,077.20, 328,600.08 and 179,499.60 is: 270,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,077.20 : 328,600.08 = 179,499.60 : x
  2. Step 2: Convert to fraction form
    218,077.20/328,600.08 = 179,499.60/x
  3. Step 3: Cross multiply
    218,077.20x = 328,600.08 × 179,499.60
  4. Step 4: Simplify right side
    218,077.20x = 58,983,582,919.97
  5. Step 5: Solve for x
    x = 58,983,582,919.97/218,077.20
  6. Step 6: Final answer
    x = 270,471.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.