Home / 225,727.41-311,497.06-123,749.38

Finding the Fourth Proportional to 225,727.41, 311,497.06 and 123,749.38

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Solution

The fourth proportional to 225,727.41, 311,497.06 and 123,749.38 is: 170,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,727.41 : 311,497.06 = 123,749.38 : x
  2. Step 2: Convert to fraction form
    225,727.41/311,497.06 = 123,749.38/x
  3. Step 3: Cross multiply
    225,727.41x = 311,497.06 × 123,749.38
  4. Step 4: Simplify right side
    225,727.41x = 38,547,568,046.82
  5. Step 5: Solve for x
    x = 38,547,568,046.82/225,727.41
  6. Step 6: Final answer
    x = 170,770.44

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1.5x scale

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.