Home / 218,626.80-327,198.89-134,439.85

Finding the Fourth Proportional to 218,626.80, 327,198.89 and 134,439.85

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Solution

The fourth proportional to 218,626.80, 327,198.89 and 134,439.85 is: 201,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,626.80 : 327,198.89 = 134,439.85 : x
  2. Step 2: Convert to fraction form
    218,626.80/327,198.89 = 134,439.85/x
  3. Step 3: Cross multiply
    218,626.80x = 327,198.89 × 134,439.85
  4. Step 4: Simplify right side
    218,626.80x = 43,988,570,436.86
  5. Step 5: Solve for x
    x = 43,988,570,436.86/218,626.80
  6. Step 6: Final answer
    x = 201,203.93

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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.