Home / 188,093.88-281,974.74-143,917.84

Finding the Fourth Proportional to 188,093.88, 281,974.74 and 143,917.84

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Solution

The fourth proportional to 188,093.88, 281,974.74 and 143,917.84 is: 215,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,093.88 : 281,974.74 = 143,917.84 : x
  2. Step 2: Convert to fraction form
    188,093.88/281,974.74 = 143,917.84/x
  3. Step 3: Cross multiply
    188,093.88x = 281,974.74 × 143,917.84
  4. Step 4: Simplify right side
    188,093.88x = 40,581,195,515.36
  5. Step 5: Solve for x
    x = 40,581,195,515.36/188,093.88
  6. Step 6: Final answer
    x = 215,749.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.