Home / 126,872.82-190,249.63-73,579.95

Finding the Fourth Proportional to 126,872.82, 190,249.63 and 73,579.95

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Solution

The fourth proportional to 126,872.82, 190,249.63 and 73,579.95 is: 110,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,872.82 : 190,249.63 = 73,579.95 : x
  2. Step 2: Convert to fraction form
    126,872.82/190,249.63 = 73,579.95/x
  3. Step 3: Cross multiply
    126,872.82x = 190,249.63 × 73,579.95
  4. Step 4: Simplify right side
    126,872.82x = 13,998,558,262.92
  5. Step 5: Solve for x
    x = 13,998,558,262.92/126,872.82
  6. Step 6: Final answer
    x = 110,335.36

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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.