Home / 170,481.20-255,721.44-45,822.20

Finding the Fourth Proportional to 170,481.20, 255,721.44 and 45,822.20

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Solution

The fourth proportional to 170,481.20, 255,721.44 and 45,822.20 is: 68,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,481.20 : 255,721.44 = 45,822.20 : x
  2. Step 2: Convert to fraction form
    170,481.20/255,721.44 = 45,822.20/x
  3. Step 3: Cross multiply
    170,481.20x = 255,721.44 × 45,822.20
  4. Step 4: Simplify right side
    170,481.20x = 11,717,718,967.97
  5. Step 5: Solve for x
    x = 11,717,718,967.97/170,481.20
  6. Step 6: Final answer
    x = 68,733.20

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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.