Home / 394,251.60-591,312.68-109,961.50

Finding the Fourth Proportional to 394,251.60, 591,312.68 and 109,961.50

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Solution

The fourth proportional to 394,251.60, 591,312.68 and 109,961.50 is: 164,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,251.60 : 591,312.68 = 109,961.50 : x
  2. Step 2: Convert to fraction form
    394,251.60/591,312.68 = 109,961.50/x
  3. Step 3: Cross multiply
    394,251.60x = 591,312.68 × 109,961.50
  4. Step 4: Simplify right side
    394,251.60x = 65,021,629,261.82
  5. Step 5: Solve for x
    x = 65,021,629,261.82/394,251.60
  6. Step 6: Final answer
    x = 164,924.20

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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.