Home / 188,917.79-260,703.99-107,245.34

Finding the Fourth Proportional to 188,917.79, 260,703.99 and 107,245.34

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Solution

The fourth proportional to 188,917.79, 260,703.99 and 107,245.34 is: 147,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,917.79 : 260,703.99 = 107,245.34 : x
  2. Step 2: Convert to fraction form
    188,917.79/260,703.99 = 107,245.34/x
  3. Step 3: Cross multiply
    188,917.79x = 260,703.99 × 107,245.34
  4. Step 4: Simplify right side
    188,917.79x = 27,959,288,755.88
  5. Step 5: Solve for x
    x = 27,959,288,755.88/188,917.79
  6. Step 6: Final answer
    x = 147,997.12

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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.