Home / 225,935.92-311,781.04-123,959.08

Finding the Fourth Proportional to 225,935.92, 311,781.04 and 123,959.08

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Solution

The fourth proportional to 225,935.92, 311,781.04 and 123,959.08 is: 171,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,935.92 : 311,781.04 = 123,959.08 : x
  2. Step 2: Convert to fraction form
    225,935.92/311,781.04 = 123,959.08/x
  3. Step 3: Cross multiply
    225,935.92x = 311,781.04 × 123,959.08
  4. Step 4: Simplify right side
    225,935.92x = 38,648,090,879.84
  5. Step 5: Solve for x
    x = 38,648,090,879.84/225,935.92
  6. Step 6: Final answer
    x = 171,057.75

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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.