Home / 218,000.19-327,083.31-75,861.26

Finding the Fourth Proportional to 218,000.19, 327,083.31 and 75,861.26

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Solution

The fourth proportional to 218,000.19, 327,083.31 and 75,861.26 is: 113,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,000.19 : 327,083.31 = 75,861.26 : x
  2. Step 2: Convert to fraction form
    218,000.19/327,083.31 = 75,861.26/x
  3. Step 3: Cross multiply
    218,000.19x = 327,083.31 × 75,861.26
  4. Step 4: Simplify right side
    218,000.19x = 24,812,952,021.57
  5. Step 5: Solve for x
    x = 24,812,952,021.57/218,000.19
  6. Step 6: Final answer
    x = 113,820.78

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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.