Home / 218,104.04-327,156.11-68,344.31

Finding the Fourth Proportional to 218,104.04, 327,156.11 and 68,344.31

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Solution

The fourth proportional to 218,104.04, 327,156.11 and 68,344.31 is: 102,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,104.04 : 327,156.11 = 68,344.31 : x
  2. Step 2: Convert to fraction form
    218,104.04/327,156.11 = 68,344.31/x
  3. Step 3: Cross multiply
    218,104.04x = 327,156.11 × 68,344.31
  4. Step 4: Simplify right side
    218,104.04x = 22,359,257,876.88
  5. Step 5: Solve for x
    x = 22,359,257,876.88/218,104.04
  6. Step 6: Final answer
    x = 102,516.48

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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.