Home / 198,772.46-274,313.32-113,905.92

Finding the Fourth Proportional to 198,772.46, 274,313.32 and 113,905.92

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Solution

The fourth proportional to 198,772.46, 274,313.32 and 113,905.92 is: 157,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,772.46 : 274,313.32 = 113,905.92 : x
  2. Step 2: Convert to fraction form
    198,772.46/274,313.32 = 113,905.92/x
  3. Step 3: Cross multiply
    198,772.46x = 274,313.32 × 113,905.92
  4. Step 4: Simplify right side
    198,772.46x = 31,245,911,082.85
  5. Step 5: Solve for x
    x = 31,245,911,082.85/198,772.46
  6. Step 6: Final answer
    x = 157,194.37

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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.