Home / 262,765.16-394,086.30-85,226.60

Finding the Fourth Proportional to 262,765.16, 394,086.30 and 85,226.60

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Solution

The fourth proportional to 262,765.16, 394,086.30 and 85,226.60 is: 127,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,765.16 : 394,086.30 = 85,226.60 : x
  2. Step 2: Convert to fraction form
    262,765.16/394,086.30 = 85,226.60/x
  3. Step 3: Cross multiply
    262,765.16x = 394,086.30 × 85,226.60
  4. Step 4: Simplify right side
    262,765.16x = 33,586,635,455.58
  5. Step 5: Solve for x
    x = 33,586,635,455.58/262,765.16
  6. Step 6: Final answer
    x = 127,819.97

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1.5x scale

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.