Home / 263,458.50-395,188.76-63,778.56

Finding the Fourth Proportional to 263,458.50, 395,188.76 and 63,778.56

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Solution

The fourth proportional to 263,458.50, 395,188.76 and 63,778.56 is: 95,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,458.50 : 395,188.76 = 63,778.56 : x
  2. Step 2: Convert to fraction form
    263,458.50/395,188.76 = 63,778.56/x
  3. Step 3: Cross multiply
    263,458.50x = 395,188.76 × 63,778.56
  4. Step 4: Simplify right side
    263,458.50x = 25,204,570,040.99
  5. Step 5: Solve for x
    x = 25,204,570,040.99/263,458.50
  6. Step 6: Final answer
    x = 95,668.08

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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.