Home / 263,250.64-394,876-76,262.24

Finding the Fourth Proportional to 263,250.64, 394,876 and 76,262.24

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Solution

The fourth proportional to 263,250.64, 394,876 and 76,262.24 is: 114,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,250.64 : 394,876 = 76,262.24 : x
  2. Step 2: Convert to fraction form
    263,250.64/394,876 = 76,262.24/x
  3. Step 3: Cross multiply
    263,250.64x = 394,876 × 76,262.24
  4. Step 4: Simplify right side
    263,250.64x = 30,114,128,282.24
  5. Step 5: Solve for x
    x = 30,114,128,282.24/263,250.64
  6. Step 6: Final answer
    x = 114,393.37

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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.