Home / 198,541.67-273,998.02-112,517.39

Finding the Fourth Proportional to 198,541.67, 273,998.02 and 112,517.39

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Solution

The fourth proportional to 198,541.67, 273,998.02 and 112,517.39 is: 155,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,541.67 : 273,998.02 = 112,517.39 : x
  2. Step 2: Convert to fraction form
    198,541.67/273,998.02 = 112,517.39/x
  3. Step 3: Cross multiply
    198,541.67x = 273,998.02 × 112,517.39
  4. Step 4: Simplify right side
    198,541.67x = 30,829,542,075.57
  5. Step 5: Solve for x
    x = 30,829,542,075.57/198,541.67
  6. Step 6: Final answer
    x = 155,279.96

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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.