Home / 262,936.40-394,579.30-96,724.40

Finding the Fourth Proportional to 262,936.40, 394,579.30 and 96,724.40

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Solution

The fourth proportional to 262,936.40, 394,579.30 and 96,724.40 is: 145,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,936.40 : 394,579.30 = 96,724.40 : x
  2. Step 2: Convert to fraction form
    262,936.40/394,579.30 = 96,724.40/x
  3. Step 3: Cross multiply
    262,936.40x = 394,579.30 × 96,724.40
  4. Step 4: Simplify right side
    262,936.40x = 38,165,446,044.92
  5. Step 5: Solve for x
    x = 38,165,446,044.92/262,936.40
  6. Step 6: Final answer
    x = 145,150.87

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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.