Home / 177,242.31-265,863.06-75,974.69

Finding the Fourth Proportional to 177,242.31, 265,863.06 and 75,974.69

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Solution

The fourth proportional to 177,242.31, 265,863.06 and 75,974.69 is: 113,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,242.31 : 265,863.06 = 75,974.69 : x
  2. Step 2: Convert to fraction form
    177,242.31/265,863.06 = 75,974.69/x
  3. Step 3: Cross multiply
    177,242.31x = 265,863.06 × 75,974.69
  4. Step 4: Simplify right side
    177,242.31x = 20,198,864,230.61
  5. Step 5: Solve for x
    x = 20,198,864,230.61/177,242.31
  6. Step 6: Final answer
    x = 113,961.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.