Home / 220,766.49-331,199.12-80,525.12

Finding the Fourth Proportional to 220,766.49, 331,199.12 and 80,525.12

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Solution

The fourth proportional to 220,766.49, 331,199.12 and 80,525.12 is: 120,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,766.49 : 331,199.12 = 80,525.12 : x
  2. Step 2: Convert to fraction form
    220,766.49/331,199.12 = 80,525.12/x
  3. Step 3: Cross multiply
    220,766.49x = 331,199.12 × 80,525.12
  4. Step 4: Simplify right side
    220,766.49x = 26,669,846,823.27
  5. Step 5: Solve for x
    x = 26,669,846,823.27/220,766.49
  6. Step 6: Final answer
    x = 120,805.68

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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.