Home / 404,192.10-606,121.34-137,974.08

Finding the Fourth Proportional to 404,192.10, 606,121.34 and 137,974.08

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Solution

The fourth proportional to 404,192.10, 606,121.34 and 137,974.08 is: 206,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,192.10 : 606,121.34 = 137,974.08 : x
  2. Step 2: Convert to fraction form
    404,192.10/606,121.34 = 137,974.08/x
  3. Step 3: Cross multiply
    404,192.10x = 606,121.34 × 137,974.08
  4. Step 4: Simplify right side
    404,192.10x = 83,629,033,565.00
  5. Step 5: Solve for x
    x = 83,629,033,565.00/404,192.10
  6. Step 6: Final answer
    x = 206,904.18

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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.