Home / 218,440.12-327,777.90-92,167.88

Finding the Fourth Proportional to 218,440.12, 327,777.90 and 92,167.88

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Solution

The fourth proportional to 218,440.12, 327,777.90 and 92,167.88 is: 138,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,440.12 : 327,777.90 = 92,167.88 : x
  2. Step 2: Convert to fraction form
    218,440.12/327,777.90 = 92,167.88/x
  3. Step 3: Cross multiply
    218,440.12x = 327,777.90 × 92,167.88
  4. Step 4: Simplify right side
    218,440.12x = 30,210,594,153.85
  5. Step 5: Solve for x
    x = 30,210,594,153.85/218,440.12
  6. Step 6: Final answer
    x = 138,301.49

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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.