Home / 276,636.36-381,299.24-195,960.36

Finding the Fourth Proportional to 276,636.36, 381,299.24 and 195,960.36

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Solution

The fourth proportional to 276,636.36, 381,299.24 and 195,960.36 is: 270,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,636.36 : 381,299.24 = 195,960.36 : x
  2. Step 2: Convert to fraction form
    276,636.36/381,299.24 = 195,960.36/x
  3. Step 3: Cross multiply
    276,636.36x = 381,299.24 × 195,960.36
  4. Step 4: Simplify right side
    276,636.36x = 74,719,536,338.13
  5. Step 5: Solve for x
    x = 74,719,536,338.13/276,636.36
  6. Step 6: Final answer
    x = 270,100.20

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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.