Home / 263,576.75-363,789.56-178,721.15

Finding the Fourth Proportional to 263,576.75, 363,789.56 and 178,721.15

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Solution

The fourth proportional to 263,576.75, 363,789.56 and 178,721.15 is: 246,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,576.75 : 363,789.56 = 178,721.15 : x
  2. Step 2: Convert to fraction form
    263,576.75/363,789.56 = 178,721.15/x
  3. Step 3: Cross multiply
    263,576.75x = 363,789.56 × 178,721.15
  4. Step 4: Simplify right side
    263,576.75x = 65,016,887,149.05
  5. Step 5: Solve for x
    x = 65,016,887,149.05/263,576.75
  6. Step 6: Final answer
    x = 246,671.56

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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.