Home / 193,881.36-267,447-113,291.76

Finding the Fourth Proportional to 193,881.36, 267,447 and 113,291.76

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Solution

The fourth proportional to 193,881.36, 267,447 and 113,291.76 is: 156,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,881.36 : 267,447 = 113,291.76 : x
  2. Step 2: Convert to fraction form
    193,881.36/267,447 = 113,291.76/x
  3. Step 3: Cross multiply
    193,881.36x = 267,447 × 113,291.76
  4. Step 4: Simplify right side
    193,881.36x = 30,299,541,336.72
  5. Step 5: Solve for x
    x = 30,299,541,336.72/193,881.36
  6. Step 6: Final answer
    x = 156,278.77

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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.