Home / 168,579.80-253,161.30-109,676.60

Finding the Fourth Proportional to 168,579.80, 253,161.30 and 109,676.60

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Solution

The fourth proportional to 168,579.80, 253,161.30 and 109,676.60 is: 164,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,579.80 : 253,161.30 = 109,676.60 : x
  2. Step 2: Convert to fraction form
    168,579.80/253,161.30 = 109,676.60/x
  3. Step 3: Cross multiply
    168,579.80x = 253,161.30 × 109,676.60
  4. Step 4: Simplify right side
    168,579.80x = 27,765,870,635.58
  5. Step 5: Solve for x
    x = 27,765,870,635.58/168,579.80
  6. Step 6: Final answer
    x = 164,704.61

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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.