Home / 262,964.25-394,249.55-85,365.27

Finding the Fourth Proportional to 262,964.25, 394,249.55 and 85,365.27

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Solution

The fourth proportional to 262,964.25, 394,249.55 and 85,365.27 is: 127,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,964.25 : 394,249.55 = 85,365.27 : x
  2. Step 2: Convert to fraction form
    262,964.25/394,249.55 = 85,365.27/x
  3. Step 3: Cross multiply
    262,964.25x = 394,249.55 × 85,365.27
  4. Step 4: Simplify right side
    262,964.25x = 33,655,218,856.30
  5. Step 5: Solve for x
    x = 33,655,218,856.30/262,964.25
  6. Step 6: Final answer
    x = 127,984.01

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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.