Home / 149,872.52-206,920.50-96,180.68

Finding the Fourth Proportional to 149,872.52, 206,920.50 and 96,180.68

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Solution

The fourth proportional to 149,872.52, 206,920.50 and 96,180.68 is: 132,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,872.52 : 206,920.50 = 96,180.68 : x
  2. Step 2: Convert to fraction form
    149,872.52/206,920.50 = 96,180.68/x
  3. Step 3: Cross multiply
    149,872.52x = 206,920.50 × 96,180.68
  4. Step 4: Simplify right side
    149,872.52x = 19,901,754,395.94
  5. Step 5: Solve for x
    x = 19,901,754,395.94/149,872.52
  6. Step 6: Final answer
    x = 132,791.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.