Home / 252,723.78-348,757.56-139,546.53

Finding the Fourth Proportional to 252,723.78, 348,757.56 and 139,546.53

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Solution

The fourth proportional to 252,723.78, 348,757.56 and 139,546.53 is: 192,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,723.78 : 348,757.56 = 139,546.53 : x
  2. Step 2: Convert to fraction form
    252,723.78/348,757.56 = 139,546.53/x
  3. Step 3: Cross multiply
    252,723.78x = 348,757.56 × 139,546.53
  4. Step 4: Simplify right side
    252,723.78x = 48,667,907,309.27
  5. Step 5: Solve for x
    x = 48,667,907,309.27/252,723.78
  6. Step 6: Final answer
    x = 192,573.52

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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.