Home / 198,142.26-273,436.28-113,261.15

Finding the Fourth Proportional to 198,142.26, 273,436.28 and 113,261.15

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Solution

The fourth proportional to 198,142.26, 273,436.28 and 113,261.15 is: 156,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,142.26 : 273,436.28 = 113,261.15 : x
  2. Step 2: Convert to fraction form
    198,142.26/273,436.28 = 113,261.15/x
  3. Step 3: Cross multiply
    198,142.26x = 273,436.28 × 113,261.15
  4. Step 4: Simplify right side
    198,142.26x = 30,969,705,591.03
  5. Step 5: Solve for x
    x = 30,969,705,591.03/198,142.26
  6. Step 6: Final answer
    x = 156,300.36

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1.5x scale

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.