Home / 198,946.50-274,546.26-109,522.50

Finding the Fourth Proportional to 198,946.50, 274,546.26 and 109,522.50

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Solution

The fourth proportional to 198,946.50, 274,546.26 and 109,522.50 is: 151,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,946.50 : 274,546.26 = 109,522.50 : x
  2. Step 2: Convert to fraction form
    198,946.50/274,546.26 = 109,522.50/x
  3. Step 3: Cross multiply
    198,946.50x = 274,546.26 × 109,522.50
  4. Step 4: Simplify right side
    198,946.50x = 30,068,992,760.85
  5. Step 5: Solve for x
    x = 30,068,992,760.85/198,946.50
  6. Step 6: Final answer
    x = 151,141.10

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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.