Home / 262,961.20-394,441.80-96,727.60

Finding the Fourth Proportional to 262,961.20, 394,441.80 and 96,727.60

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Solution

The fourth proportional to 262,961.20, 394,441.80 and 96,727.60 is: 145,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,961.20 : 394,441.80 = 96,727.60 : x
  2. Step 2: Convert to fraction form
    262,961.20/394,441.80 = 96,727.60/x
  3. Step 3: Cross multiply
    262,961.20x = 394,441.80 × 96,727.60
  4. Step 4: Simplify right side
    262,961.20x = 38,153,408,653.68
  5. Step 5: Solve for x
    x = 38,153,408,653.68/262,961.20
  6. Step 6: Final answer
    x = 145,091.40

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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.