Home / 188,723.22-260,445.20-108,166.29

Finding the Fourth Proportional to 188,723.22, 260,445.20 and 108,166.29

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Solution

The fourth proportional to 188,723.22, 260,445.20 and 108,166.29 is: 149,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,723.22 : 260,445.20 = 108,166.29 : x
  2. Step 2: Convert to fraction form
    188,723.22/260,445.20 = 108,166.29/x
  3. Step 3: Cross multiply
    188,723.22x = 260,445.20 × 108,166.29
  4. Step 4: Simplify right side
    188,723.22x = 28,171,391,032.31
  5. Step 5: Solve for x
    x = 28,171,391,032.31/188,723.22
  6. Step 6: Final answer
    x = 149,273.58

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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.