Home / 263,127.11-394,739.34-83,257.81

Finding the Fourth Proportional to 263,127.11, 394,739.34 and 83,257.81

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Solution

The fourth proportional to 263,127.11, 394,739.34 and 83,257.81 is: 124,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,127.11 : 394,739.34 = 83,257.81 : x
  2. Step 2: Convert to fraction form
    263,127.11/394,739.34 = 83,257.81/x
  3. Step 3: Cross multiply
    263,127.11x = 394,739.34 × 83,257.81
  4. Step 4: Simplify right side
    263,127.11x = 32,865,132,969.25
  5. Step 5: Solve for x
    x = 32,865,132,969.25/263,127.11
  6. Step 6: Final answer
    x = 124,902.12

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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.