Home / 262,789.92-394,137.18-92,036.72

Finding the Fourth Proportional to 262,789.92, 394,137.18 and 92,036.72

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Solution

The fourth proportional to 262,789.92, 394,137.18 and 92,036.72 is: 138,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,789.92 : 394,137.18 = 92,036.72 : x
  2. Step 2: Convert to fraction form
    262,789.92/394,137.18 = 92,036.72/x
  3. Step 3: Cross multiply
    262,789.92x = 394,137.18 × 92,036.72
  4. Step 4: Simplify right side
    262,789.92x = 36,275,093,277.25
  5. Step 5: Solve for x
    x = 36,275,093,277.25/262,789.92
  6. Step 6: Final answer
    x = 138,038.37

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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.