Home / 198,696.11-274,207.82-113,829.57

Finding the Fourth Proportional to 198,696.11, 274,207.82 and 113,829.57

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Solution

The fourth proportional to 198,696.11, 274,207.82 and 113,829.57 is: 157,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,696.11 : 274,207.82 = 113,829.57 : x
  2. Step 2: Convert to fraction form
    198,696.11/274,207.82 = 113,829.57/x
  3. Step 3: Cross multiply
    198,696.11x = 274,207.82 × 113,829.57
  4. Step 4: Simplify right side
    198,696.11x = 31,212,957,672.09
  5. Step 5: Solve for x
    x = 31,212,957,672.09/198,696.11
  6. Step 6: Final answer
    x = 157,088.93

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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.