Home / 198,593.42-274,028.37-117,991.12

Finding the Fourth Proportional to 198,593.42, 274,028.37 and 117,991.12

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Solution

The fourth proportional to 198,593.42, 274,028.37 and 117,991.12 is: 162,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,593.42 : 274,028.37 = 117,991.12 : x
  2. Step 2: Convert to fraction form
    198,593.42/274,028.37 = 117,991.12/x
  3. Step 3: Cross multiply
    198,593.42x = 274,028.37 × 117,991.12
  4. Step 4: Simplify right side
    198,593.42x = 32,332,914,288.07
  5. Step 5: Solve for x
    x = 32,332,914,288.07/198,593.42
  6. Step 6: Final answer
    x = 162,809.60

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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.