Home / 200,932.92-301,399.20-82,521

Finding the Fourth Proportional to 200,932.92, 301,399.20 and 82,521

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Solution

The fourth proportional to 200,932.92, 301,399.20 and 82,521 is: 123,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,932.92 : 301,399.20 = 82,521 : x
  2. Step 2: Convert to fraction form
    200,932.92/301,399.20 = 82,521/x
  3. Step 3: Cross multiply
    200,932.92x = 301,399.20 × 82,521
  4. Step 4: Simplify right side
    200,932.92x = 24,871,763,383.20
  5. Step 5: Solve for x
    x = 24,871,763,383.20/200,932.92
  6. Step 6: Final answer
    x = 123,781.43

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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.