Home / 193,977.40-267,648.72-113,389.36

Finding the Fourth Proportional to 193,977.40, 267,648.72 and 113,389.36

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Solution

The fourth proportional to 193,977.40, 267,648.72 and 113,389.36 is: 156,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,977.40 : 267,648.72 = 113,389.36 : x
  2. Step 2: Convert to fraction form
    193,977.40/267,648.72 = 113,389.36/x
  3. Step 3: Cross multiply
    193,977.40x = 267,648.72 × 113,389.36
  4. Step 4: Simplify right side
    193,977.40x = 30,348,517,065.62
  5. Step 5: Solve for x
    x = 30,348,517,065.62/193,977.40
  6. Step 6: Final answer
    x = 156,453.88

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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.