Home / 218,456.54-327,812.18-92,089.05

Finding the Fourth Proportional to 218,456.54, 327,812.18 and 92,089.05

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Solution

The fourth proportional to 218,456.54, 327,812.18 and 92,089.05 is: 138,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,456.54 : 327,812.18 = 92,089.05 : x
  2. Step 2: Convert to fraction form
    218,456.54/327,812.18 = 92,089.05/x
  3. Step 3: Cross multiply
    218,456.54x = 327,812.18 × 92,089.05
  4. Step 4: Simplify right side
    218,456.54x = 30,187,912,234.63
  5. Step 5: Solve for x
    x = 30,187,912,234.63/218,456.54
  6. Step 6: Final answer
    x = 138,187.27

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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.