Home / 198,371.39-273,792.22-117,843.62

Finding the Fourth Proportional to 198,371.39, 273,792.22 and 117,843.62

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Solution

The fourth proportional to 198,371.39, 273,792.22 and 117,843.62 is: 162,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,371.39 : 273,792.22 = 117,843.62 : x
  2. Step 2: Convert to fraction form
    198,371.39/273,792.22 = 117,843.62/x
  3. Step 3: Cross multiply
    198,371.39x = 273,792.22 × 117,843.62
  4. Step 4: Simplify right side
    198,371.39x = 32,264,664,669.07
  5. Step 5: Solve for x
    x = 32,264,664,669.07/198,371.39
  6. Step 6: Final answer
    x = 162,647.78

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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.