Home / 188,782.43-260,531.37-108,222.06

Finding the Fourth Proportional to 188,782.43, 260,531.37 and 108,222.06

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Solution

The fourth proportional to 188,782.43, 260,531.37 and 108,222.06 is: 149,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,782.43 : 260,531.37 = 108,222.06 : x
  2. Step 2: Convert to fraction form
    188,782.43/260,531.37 = 108,222.06/x
  3. Step 3: Cross multiply
    188,782.43x = 260,531.37 × 108,222.06
  4. Step 4: Simplify right side
    188,782.43x = 28,195,241,067.53
  5. Step 5: Solve for x
    x = 28,195,241,067.53/188,782.43
  6. Step 6: Final answer
    x = 149,353.10

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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.