Home / 193,771.56-267,392.22-113,221.80

Finding the Fourth Proportional to 193,771.56, 267,392.22 and 113,221.80

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Solution

The fourth proportional to 193,771.56, 267,392.22 and 113,221.80 is: 156,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,771.56 : 267,392.22 = 113,221.80 : x
  2. Step 2: Convert to fraction form
    193,771.56/267,392.22 = 113,221.80/x
  3. Step 3: Cross multiply
    193,771.56x = 267,392.22 × 113,221.80
  4. Step 4: Simplify right side
    193,771.56x = 30,274,628,454.40
  5. Step 5: Solve for x
    x = 30,274,628,454.40/193,771.56
  6. Step 6: Final answer
    x = 156,238.76

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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.