Home / 263,131.11-394,745.34-83,261.82

Finding the Fourth Proportional to 263,131.11, 394,745.34 and 83,261.82

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Solution

The fourth proportional to 263,131.11, 394,745.34 and 83,261.82 is: 124,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,131.11 : 394,745.34 = 83,261.82 : x
  2. Step 2: Convert to fraction form
    263,131.11/394,745.34 = 83,261.82/x
  3. Step 3: Cross multiply
    263,131.11x = 394,745.34 × 83,261.82
  4. Step 4: Simplify right side
    263,131.11x = 32,867,215,444.92
  5. Step 5: Solve for x
    x = 32,867,215,444.92/263,131.11
  6. Step 6: Final answer
    x = 124,908.13

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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.