Home / 263,705.24-395,568.77-76,716.74

Finding the Fourth Proportional to 263,705.24, 395,568.77 and 76,716.74

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Solution

The fourth proportional to 263,705.24, 395,568.77 and 76,716.74 is: 115,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,705.24 : 395,568.77 = 76,716.74 : x
  2. Step 2: Convert to fraction form
    263,705.24/395,568.77 = 76,716.74/x
  3. Step 3: Cross multiply
    263,705.24x = 395,568.77 × 76,716.74
  4. Step 4: Simplify right side
    263,705.24x = 30,346,747,085.55
  5. Step 5: Solve for x
    x = 30,346,747,085.55/263,705.24
  6. Step 6: Final answer
    x = 115,078.29

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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.