Home / 263,041.49-394,620.69-122,723.57

Finding the Fourth Proportional to 263,041.49, 394,620.69 and 122,723.57

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Solution

The fourth proportional to 263,041.49, 394,620.69 and 122,723.57 is: 184,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,041.49 : 394,620.69 = 122,723.57 : x
  2. Step 2: Convert to fraction form
    263,041.49/394,620.69 = 122,723.57/x
  3. Step 3: Cross multiply
    263,041.49x = 394,620.69 × 122,723.57
  4. Step 4: Simplify right side
    263,041.49x = 48,429,257,899.56
  5. Step 5: Solve for x
    x = 48,429,257,899.56/263,041.49
  6. Step 6: Final answer
    x = 184,112.62

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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.