Home / 106,843.40-159,974.24-75,206.02

Finding the Fourth Proportional to 106,843.40, 159,974.24 and 75,206.02

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Solution

The fourth proportional to 106,843.40, 159,974.24 and 75,206.02 is: 112,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,843.40 : 159,974.24 = 75,206.02 : x
  2. Step 2: Convert to fraction form
    106,843.40/159,974.24 = 75,206.02/x
  3. Step 3: Cross multiply
    106,843.40x = 159,974.24 × 75,206.02
  4. Step 4: Simplify right side
    106,843.40x = 12,031,025,839.94
  5. Step 5: Solve for x
    x = 12,031,025,839.94/106,843.40
  6. Step 6: Final answer
    x = 112,604.29

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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.