Home / 269,823.32-404,664.40-80,232.56

Finding the Fourth Proportional to 269,823.32, 404,664.40 and 80,232.56

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Solution

The fourth proportional to 269,823.32, 404,664.40 and 80,232.56 is: 120,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,823.32 : 404,664.40 = 80,232.56 : x
  2. Step 2: Convert to fraction form
    269,823.32/404,664.40 = 80,232.56/x
  3. Step 3: Cross multiply
    269,823.32x = 404,664.40 × 80,232.56
  4. Step 4: Simplify right side
    269,823.32x = 32,467,260,752.86
  5. Step 5: Solve for x
    x = 32,467,260,752.86/269,823.32
  6. Step 6: Final answer
    x = 120,327.85

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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.