Home / 404,192.85-606,122.49-137,974.83

Finding the Fourth Proportional to 404,192.85, 606,122.49 and 137,974.83

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Solution

The fourth proportional to 404,192.85, 606,122.49 and 137,974.83 is: 206,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,192.85 : 606,122.49 = 137,974.83 : x
  2. Step 2: Convert to fraction form
    404,192.85/606,122.49 = 137,974.83/x
  3. Step 3: Cross multiply
    404,192.85x = 606,122.49 × 137,974.83
  4. Step 4: Simplify right side
    404,192.85x = 83,629,647,516.93
  5. Step 5: Solve for x
    x = 83,629,647,516.93/404,192.85
  6. Step 6: Final answer
    x = 206,905.31

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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.