Home / 188,722.22-260,443.82-108,165.29

Finding the Fourth Proportional to 188,722.22, 260,443.82 and 108,165.29

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Solution

The fourth proportional to 188,722.22, 260,443.82 and 108,165.29 is: 149,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,722.22 : 260,443.82 = 108,165.29 : x
  2. Step 2: Convert to fraction form
    188,722.22/260,443.82 = 108,165.29/x
  3. Step 3: Cross multiply
    188,722.22x = 260,443.82 × 108,165.29
  4. Step 4: Simplify right side
    188,722.22x = 28,170,980,287.20
  5. Step 5: Solve for x
    x = 28,170,980,287.20/188,722.22
  6. Step 6: Final answer
    x = 149,272.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.