Home / 218,108.22-327,161.83-68,359.92

Finding the Fourth Proportional to 218,108.22, 327,161.83 and 68,359.92

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Solution

The fourth proportional to 218,108.22, 327,161.83 and 68,359.92 is: 102,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,108.22 : 327,161.83 = 68,359.92 : x
  2. Step 2: Convert to fraction form
    218,108.22/327,161.83 = 68,359.92/x
  3. Step 3: Cross multiply
    218,108.22x = 327,161.83 × 68,359.92
  4. Step 4: Simplify right side
    218,108.22x = 22,364,756,525.85
  5. Step 5: Solve for x
    x = 22,364,756,525.85/218,108.22
  6. Step 6: Final answer
    x = 102,539.72

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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.