Home / 263,723.85-395,556.74-74,190.24

Finding the Fourth Proportional to 263,723.85, 395,556.74 and 74,190.24

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Solution

The fourth proportional to 263,723.85, 395,556.74 and 74,190.24 is: 111,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,723.85 : 395,556.74 = 74,190.24 : x
  2. Step 2: Convert to fraction form
    263,723.85/395,556.74 = 74,190.24/x
  3. Step 3: Cross multiply
    263,723.85x = 395,556.74 × 74,190.24
  4. Step 4: Simplify right side
    263,723.85x = 29,346,449,474.22
  5. Step 5: Solve for x
    x = 29,346,449,474.22/263,723.85
  6. Step 6: Final answer
    x = 111,277.19

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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.