Home / 126,786.88-174,971.36-70,198.25

Finding the Fourth Proportional to 126,786.88, 174,971.36 and 70,198.25

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Solution

The fourth proportional to 126,786.88, 174,971.36 and 70,198.25 is: 96,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,786.88 : 174,971.36 = 70,198.25 : x
  2. Step 2: Convert to fraction form
    126,786.88/174,971.36 = 70,198.25/x
  3. Step 3: Cross multiply
    126,786.88x = 174,971.36 × 70,198.25
  4. Step 4: Simplify right side
    126,786.88x = 12,282,682,921.13
  5. Step 5: Solve for x
    x = 12,282,682,921.13/126,786.88
  6. Step 6: Final answer
    x = 96,876.61

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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.