Home / 751,163.92-1,126,747.80-190,198.48

Finding the Fourth Proportional to 751,163.92, 1,126,747.80 and 190,198.48

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Solution

The fourth proportional to 751,163.92, 1,126,747.80 and 190,198.48 is: 285,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,163.92 : 1,126,747.80 = 190,198.48 : x
  2. Step 2: Convert to fraction form
    751,163.92/1,126,747.80 = 190,198.48/x
  3. Step 3: Cross multiply
    751,163.92x = 1,126,747.80 × 190,198.48
  4. Step 4: Simplify right side
    751,163.92x = 214,305,718,903.34
  5. Step 5: Solve for x
    x = 214,305,718,903.34/751,163.92
  6. Step 6: Final answer
    x = 285,298.21

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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.