Home / 325,822.40-488,733.60-220,068.80

Finding the Fourth Proportional to 325,822.40, 488,733.60 and 220,068.80

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Solution

The fourth proportional to 325,822.40, 488,733.60 and 220,068.80 is: 330,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,822.40 : 488,733.60 = 220,068.80 : x
  2. Step 2: Convert to fraction form
    325,822.40/488,733.60 = 220,068.80/x
  3. Step 3: Cross multiply
    325,822.40x = 488,733.60 × 220,068.80
  4. Step 4: Simplify right side
    325,822.40x = 107,555,016,871.68
  5. Step 5: Solve for x
    x = 107,555,016,871.68/325,822.40
  6. Step 6: Final answer
    x = 330,103.20

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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.