Home / 198,817.72-274,376.04-113,951.20

Finding the Fourth Proportional to 198,817.72, 274,376.04 and 113,951.20

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Solution

The fourth proportional to 198,817.72, 274,376.04 and 113,951.20 is: 157,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.72 : 274,376.04 = 113,951.20 : x
  2. Step 2: Convert to fraction form
    198,817.72/274,376.04 = 113,951.20/x
  3. Step 3: Cross multiply
    198,817.72x = 274,376.04 × 113,951.20
  4. Step 4: Simplify right side
    198,817.72x = 31,265,479,009.25
  5. Step 5: Solve for x
    x = 31,265,479,009.25/198,817.72
  6. Step 6: Final answer
    x = 157,257.00

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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.