Home / 218,944.44-328,546.40-92,577.80

Finding the Fourth Proportional to 218,944.44, 328,546.40 and 92,577.80

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Solution

The fourth proportional to 218,944.44, 328,546.40 and 92,577.80 is: 138,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.44 : 328,546.40 = 92,577.80 : x
  2. Step 2: Convert to fraction form
    218,944.44/328,546.40 = 92,577.80/x
  3. Step 3: Cross multiply
    218,944.44x = 328,546.40 × 92,577.80
  4. Step 4: Simplify right side
    218,944.44x = 30,416,102,909.92
  5. Step 5: Solve for x
    x = 30,416,102,909.92/218,944.44
  6. Step 6: Final answer
    x = 138,921.56

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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.