Home / 198,827.22-274,389.12-113,960.66

Finding the Fourth Proportional to 198,827.22, 274,389.12 and 113,960.66

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Solution

The fourth proportional to 198,827.22, 274,389.12 and 113,960.66 is: 157,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,827.22 : 274,389.12 = 113,960.66 : x
  2. Step 2: Convert to fraction form
    198,827.22/274,389.12 = 113,960.66/x
  3. Step 3: Cross multiply
    198,827.22x = 274,389.12 × 113,960.66
  4. Step 4: Simplify right side
    198,827.22x = 31,269,565,212.02
  5. Step 5: Solve for x
    x = 31,269,565,212.02/198,827.22
  6. Step 6: Final answer
    x = 157,270.04

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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.