Home / 252,917.44-379,395.60-75,410.56

Finding the Fourth Proportional to 252,917.44, 379,395.60 and 75,410.56

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Solution

The fourth proportional to 252,917.44, 379,395.60 and 75,410.56 is: 113,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,917.44 : 379,395.60 = 75,410.56 : x
  2. Step 2: Convert to fraction form
    252,917.44/379,395.60 = 75,410.56/x
  3. Step 3: Cross multiply
    252,917.44x = 379,395.60 × 75,410.56
  4. Step 4: Simplify right side
    252,917.44x = 28,610,434,657.54
  5. Step 5: Solve for x
    x = 28,610,434,657.54/252,917.44
  6. Step 6: Final answer
    x = 113,121.64

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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.