Home / 263,713.26-395,580.85-76,724.76

Finding the Fourth Proportional to 263,713.26, 395,580.85 and 76,724.76

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Solution

The fourth proportional to 263,713.26, 395,580.85 and 76,724.76 is: 115,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,713.26 : 395,580.85 = 76,724.76 : x
  2. Step 2: Convert to fraction form
    263,713.26/395,580.85 = 76,724.76/x
  3. Step 3: Cross multiply
    263,713.26x = 395,580.85 × 76,724.76
  4. Step 4: Simplify right side
    263,713.26x = 30,350,845,776.85
  5. Step 5: Solve for x
    x = 30,350,845,776.85/263,713.26
  6. Step 6: Final answer
    x = 115,090.33

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1.5x scale

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.