Home / 263,945.20-395,912.16-64,266.64

Finding the Fourth Proportional to 263,945.20, 395,912.16 and 64,266.64

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Solution

The fourth proportional to 263,945.20, 395,912.16 and 64,266.64 is: 96,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,945.20 : 395,912.16 = 64,266.64 : x
  2. Step 2: Convert to fraction form
    263,945.20/395,912.16 = 64,266.64/x
  3. Step 3: Cross multiply
    263,945.20x = 395,912.16 × 64,266.64
  4. Step 4: Simplify right side
    263,945.20x = 25,443,944,258.34
  5. Step 5: Solve for x
    x = 25,443,944,258.34/263,945.20
  6. Step 6: Final answer
    x = 96,398.59

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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.