Home / 218,120.10-327,142.08-58,198.02

Finding the Fourth Proportional to 218,120.10, 327,142.08 and 58,198.02

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Solution

The fourth proportional to 218,120.10, 327,142.08 and 58,198.02 is: 87,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,120.10 : 327,142.08 = 58,198.02 : x
  2. Step 2: Convert to fraction form
    218,120.10/327,142.08 = 58,198.02/x
  3. Step 3: Cross multiply
    218,120.10x = 327,142.08 × 58,198.02
  4. Step 4: Simplify right side
    218,120.10x = 19,039,021,314.68
  5. Step 5: Solve for x
    x = 19,039,021,314.68/218,120.10
  6. Step 6: Final answer
    x = 87,286.87

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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.