Home / 225,760.03-311,545.27-123,786.36

Finding the Fourth Proportional to 225,760.03, 311,545.27 and 123,786.36

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Solution

The fourth proportional to 225,760.03, 311,545.27 and 123,786.36 is: 170,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,760.03 : 311,545.27 = 123,786.36 : x
  2. Step 2: Convert to fraction form
    225,760.03/311,545.27 = 123,786.36/x
  3. Step 3: Cross multiply
    225,760.03x = 311,545.27 × 123,786.36
  4. Step 4: Simplify right side
    225,760.03x = 38,565,055,103.25
  5. Step 5: Solve for x
    x = 38,565,055,103.25/225,760.03
  6. Step 6: Final answer
    x = 170,823.22

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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.