Home / 404,103.36-606,133.07-123,620.61

Finding the Fourth Proportional to 404,103.36, 606,133.07 and 123,620.61

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Solution

The fourth proportional to 404,103.36, 606,133.07 and 123,620.61 is: 185,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,103.36 : 606,133.07 = 123,620.61 : x
  2. Step 2: Convert to fraction form
    404,103.36/606,133.07 = 123,620.61/x
  3. Step 3: Cross multiply
    404,103.36x = 606,133.07 × 123,620.61
  4. Step 4: Simplify right side
    404,103.36x = 74,930,539,236.47
  5. Step 5: Solve for x
    x = 74,930,539,236.47/404,103.36
  6. Step 6: Final answer
    x = 185,424.19

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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.