Home / 219,977.22-329,949.41-75,868.95

Finding the Fourth Proportional to 219,977.22, 329,949.41 and 75,868.95

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Solution

The fourth proportional to 219,977.22, 329,949.41 and 75,868.95 is: 113,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,977.22 : 329,949.41 = 75,868.95 : x
  2. Step 2: Convert to fraction form
    219,977.22/329,949.41 = 75,868.95/x
  3. Step 3: Cross multiply
    219,977.22x = 329,949.41 × 75,868.95
  4. Step 4: Simplify right side
    219,977.22x = 25,032,914,910.47
  5. Step 5: Solve for x
    x = 25,032,914,910.47/219,977.22
  6. Step 6: Final answer
    x = 113,797.76

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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.