Home / 218,192.28-327,383.16-118,422.96

Finding the Fourth Proportional to 218,192.28, 327,383.16 and 118,422.96

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Solution

The fourth proportional to 218,192.28, 327,383.16 and 118,422.96 is: 177,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,192.28 : 327,383.16 = 118,422.96 : x
  2. Step 2: Convert to fraction form
    218,192.28/327,383.16 = 118,422.96/x
  3. Step 3: Cross multiply
    218,192.28x = 327,383.16 × 118,422.96
  4. Step 4: Simplify right side
    218,192.28x = 38,769,682,861.35
  5. Step 5: Solve for x
    x = 38,769,682,861.35/218,192.28
  6. Step 6: Final answer
    x = 177,685.86

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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.