Home / 220,074.67-329,913.95-79,734.88

Finding the Fourth Proportional to 220,074.67, 329,913.95 and 79,734.88

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Solution

The fourth proportional to 220,074.67, 329,913.95 and 79,734.88 is: 119,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,074.67 : 329,913.95 = 79,734.88 : x
  2. Step 2: Convert to fraction form
    220,074.67/329,913.95 = 79,734.88/x
  3. Step 3: Cross multiply
    220,074.67x = 329,913.95 × 79,734.88
  4. Step 4: Simplify right side
    220,074.67x = 26,305,647,564.01
  5. Step 5: Solve for x
    x = 26,305,647,564.01/220,074.67
  6. Step 6: Final answer
    x = 119,530.56

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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.