Home / 218,629.70-327,944.55-194,135.30

Finding the Fourth Proportional to 218,629.70, 327,944.55 and 194,135.30

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Solution

The fourth proportional to 218,629.70, 327,944.55 and 194,135.30 is: 291,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,629.70 : 327,944.55 = 194,135.30 : x
  2. Step 2: Convert to fraction form
    218,629.70/327,944.55 = 194,135.30/x
  3. Step 3: Cross multiply
    218,629.70x = 327,944.55 × 194,135.30
  4. Step 4: Simplify right side
    218,629.70x = 63,665,613,597.62
  5. Step 5: Solve for x
    x = 63,665,613,597.62/218,629.70
  6. Step 6: Final answer
    x = 291,202.95

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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.