Home / 263,031.35-394,605.48-122,713.43

Finding the Fourth Proportional to 263,031.35, 394,605.48 and 122,713.43

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Solution

The fourth proportional to 263,031.35, 394,605.48 and 122,713.43 is: 184,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,031.35 : 394,605.48 = 122,713.43 : x
  2. Step 2: Convert to fraction form
    263,031.35/394,605.48 = 122,713.43/x
  3. Step 3: Cross multiply
    263,031.35x = 394,605.48 × 122,713.43
  4. Step 4: Simplify right side
    263,031.35x = 48,423,389,974.57
  5. Step 5: Solve for x
    x = 48,423,389,974.57/263,031.35
  6. Step 6: Final answer
    x = 184,097.41

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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.