Home / 198,603.24-274,077.72-113,747.64

Finding the Fourth Proportional to 198,603.24, 274,077.72 and 113,747.64

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Solution

The fourth proportional to 198,603.24, 274,077.72 and 113,747.64 is: 156,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,603.24 : 274,077.72 = 113,747.64 : x
  2. Step 2: Convert to fraction form
    198,603.24/274,077.72 = 113,747.64/x
  3. Step 3: Cross multiply
    198,603.24x = 274,077.72 × 113,747.64
  4. Step 4: Simplify right side
    198,603.24x = 31,175,693,826.58
  5. Step 5: Solve for x
    x = 31,175,693,826.58/198,603.24
  6. Step 6: Final answer
    x = 156,974.75

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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.