Home / 198,824.22-274,384.98-113,957.66

Finding the Fourth Proportional to 198,824.22, 274,384.98 and 113,957.66

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Solution

The fourth proportional to 198,824.22, 274,384.98 and 113,957.66 is: 157,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,824.22 : 274,384.98 = 113,957.66 : x
  2. Step 2: Convert to fraction form
    198,824.22/274,384.98 = 113,957.66/x
  3. Step 3: Cross multiply
    198,824.22x = 274,384.98 × 113,957.66
  4. Step 4: Simplify right side
    198,824.22x = 31,268,270,259.95
  5. Step 5: Solve for x
    x = 31,268,270,259.95/198,824.22
  6. Step 6: Final answer
    x = 157,265.90

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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.