Home / 198,716.66-274,230.78-108,073.46

Finding the Fourth Proportional to 198,716.66, 274,230.78 and 108,073.46

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Solution

The fourth proportional to 198,716.66, 274,230.78 and 108,073.46 is: 149,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,716.66 : 274,230.78 = 108,073.46 : x
  2. Step 2: Convert to fraction form
    198,716.66/274,230.78 = 108,073.46/x
  3. Step 3: Cross multiply
    198,716.66x = 274,230.78 × 108,073.46
  4. Step 4: Simplify right side
    198,716.66x = 29,637,069,233.10
  5. Step 5: Solve for x
    x = 29,637,069,233.10/198,716.66
  6. Step 6: Final answer
    x = 149,142.35

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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.