Home / 188,245.22-259,778.84-102,204.32

Finding the Fourth Proportional to 188,245.22, 259,778.84 and 102,204.32

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Solution

The fourth proportional to 188,245.22, 259,778.84 and 102,204.32 is: 141,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,245.22 : 259,778.84 = 102,204.32 : x
  2. Step 2: Convert to fraction form
    188,245.22/259,778.84 = 102,204.32/x
  3. Step 3: Cross multiply
    188,245.22x = 259,778.84 × 102,204.32
  4. Step 4: Simplify right side
    188,245.22x = 26,550,517,882.67
  5. Step 5: Solve for x
    x = 26,550,517,882.67/188,245.22
  6. Step 6: Final answer
    x = 141,042.19

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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.