Home / 198,620.24-274,079.72-116,935.60

Finding the Fourth Proportional to 198,620.24, 274,079.72 and 116,935.60

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Solution

The fourth proportional to 198,620.24, 274,079.72 and 116,935.60 is: 161,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,620.24 : 274,079.72 = 116,935.60 : x
  2. Step 2: Convert to fraction form
    198,620.24/274,079.72 = 116,935.60/x
  3. Step 3: Cross multiply
    198,620.24x = 274,079.72 × 116,935.60
  4. Step 4: Simplify right side
    198,620.24x = 32,049,676,506.03
  5. Step 5: Solve for x
    x = 32,049,676,506.03/198,620.24
  6. Step 6: Final answer
    x = 161,361.58

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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.