Home / 188,450.44-259,946.22-111,917.68

Finding the Fourth Proportional to 188,450.44, 259,946.22 and 111,917.68

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Solution

The fourth proportional to 188,450.44, 259,946.22 and 111,917.68 is: 154,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,450.44 : 259,946.22 = 111,917.68 : x
  2. Step 2: Convert to fraction form
    188,450.44/259,946.22 = 111,917.68/x
  3. Step 3: Cross multiply
    188,450.44x = 259,946.22 × 111,917.68
  4. Step 4: Simplify right side
    188,450.44x = 29,092,577,867.17
  5. Step 5: Solve for x
    x = 29,092,577,867.17/188,450.44
  6. Step 6: Final answer
    x = 154,377.87

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1.5x scale

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.