Home / 198,620.28-274,079.70-116,935.56

Finding the Fourth Proportional to 198,620.28, 274,079.70 and 116,935.56

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Solution

The fourth proportional to 198,620.28, 274,079.70 and 116,935.56 is: 161,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,620.28 : 274,079.70 = 116,935.56 : x
  2. Step 2: Convert to fraction form
    198,620.28/274,079.70 = 116,935.56/x
  3. Step 3: Cross multiply
    198,620.28x = 274,079.70 × 116,935.56
  4. Step 4: Simplify right side
    198,620.28x = 32,049,663,204.13
  5. Step 5: Solve for x
    x = 32,049,663,204.13/198,620.28
  6. Step 6: Final answer
    x = 161,361.48

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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.