Home / 276,637.36-381,300.62-195,961.36

Finding the Fourth Proportional to 276,637.36, 381,300.62 and 195,961.36

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Solution

The fourth proportional to 276,637.36, 381,300.62 and 195,961.36 is: 270,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,637.36 : 381,300.62 = 195,961.36 : x
  2. Step 2: Convert to fraction form
    276,637.36/381,300.62 = 195,961.36/x
  3. Step 3: Cross multiply
    276,637.36x = 381,300.62 × 195,961.36
  4. Step 4: Simplify right side
    276,637.36x = 74,720,188,064.04
  5. Step 5: Solve for x
    x = 74,720,188,064.04/276,637.36
  6. Step 6: Final answer
    x = 270,101.58

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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.