Home / 198,496.12-273,936.90-113,611.24

Finding the Fourth Proportional to 198,496.12, 273,936.90 and 113,611.24

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Solution

The fourth proportional to 198,496.12, 273,936.90 and 113,611.24 is: 156,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,496.12 : 273,936.90 = 113,611.24 : x
  2. Step 2: Convert to fraction form
    198,496.12/273,936.90 = 113,611.24/x
  3. Step 3: Cross multiply
    198,496.12x = 273,936.90 × 113,611.24
  4. Step 4: Simplify right side
    198,496.12x = 31,122,310,890.76
  5. Step 5: Solve for x
    x = 31,122,310,890.76/198,496.12
  6. Step 6: Final answer
    x = 156,790.53

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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.