Home / 218,416.29-327,703.26-76,282.50

Finding the Fourth Proportional to 218,416.29, 327,703.26 and 76,282.50

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Solution

The fourth proportional to 218,416.29, 327,703.26 and 76,282.50 is: 114,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,416.29 : 327,703.26 = 76,282.50 : x
  2. Step 2: Convert to fraction form
    218,416.29/327,703.26 = 76,282.50/x
  3. Step 3: Cross multiply
    218,416.29x = 327,703.26 × 76,282.50
  4. Step 4: Simplify right side
    218,416.29x = 24,998,023,930.95
  5. Step 5: Solve for x
    x = 24,998,023,930.95/218,416.29
  6. Step 6: Final answer
    x = 114,451.28

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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.