Home / 263,134.28-394,759.74-122,816.36

Finding the Fourth Proportional to 263,134.28, 394,759.74 and 122,816.36

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Solution

The fourth proportional to 263,134.28, 394,759.74 and 122,816.36 is: 184,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,134.28 : 394,759.74 = 122,816.36 : x
  2. Step 2: Convert to fraction form
    263,134.28/394,759.74 = 122,816.36/x
  3. Step 3: Cross multiply
    263,134.28x = 394,759.74 × 122,816.36
  4. Step 4: Simplify right side
    263,134.28x = 48,482,954,341.35
  5. Step 5: Solve for x
    x = 48,482,954,341.35/263,134.28
  6. Step 6: Final answer
    x = 184,251.76

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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.