Home / 225,818.22-338,727.93-76,163.64

Finding the Fourth Proportional to 225,818.22, 338,727.93 and 76,163.64

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Solution

The fourth proportional to 225,818.22, 338,727.93 and 76,163.64 is: 114,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,818.22 : 338,727.93 = 76,163.64 : x
  2. Step 2: Convert to fraction form
    225,818.22/338,727.93 = 76,163.64/x
  3. Step 3: Cross multiply
    225,818.22x = 338,727.93 × 76,163.64
  4. Step 4: Simplify right side
    225,818.22x = 25,798,752,118.47
  5. Step 5: Solve for x
    x = 25,798,752,118.47/225,818.22
  6. Step 6: Final answer
    x = 114,245.66

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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.