Home / 220,549.20-330,886.68-108,263.16

Finding the Fourth Proportional to 220,549.20, 330,886.68 and 108,263.16

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Solution

The fourth proportional to 220,549.20, 330,886.68 and 108,263.16 is: 162,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,549.20 : 330,886.68 = 108,263.16 : x
  2. Step 2: Convert to fraction form
    220,549.20/330,886.68 = 108,263.16/x
  3. Step 3: Cross multiply
    220,549.20x = 330,886.68 × 108,263.16
  4. Step 4: Simplify right side
    220,549.20x = 35,822,837,578.71
  5. Step 5: Solve for x
    x = 35,822,837,578.71/220,549.20
  6. Step 6: Final answer
    x = 162,425.61

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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.