Home / 276,786.68-381,993.82-169,427.66

Finding the Fourth Proportional to 276,786.68, 381,993.82 and 169,427.66

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Solution

The fourth proportional to 276,786.68, 381,993.82 and 169,427.66 is: 233,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,786.68 : 381,993.82 = 169,427.66 : x
  2. Step 2: Convert to fraction form
    276,786.68/381,993.82 = 169,427.66/x
  3. Step 3: Cross multiply
    276,786.68x = 381,993.82 × 169,427.66
  4. Step 4: Simplify right side
    276,786.68x = 64,720,319,057.06
  5. Step 5: Solve for x
    x = 64,720,319,057.06/276,786.68
  6. Step 6: Final answer
    x = 233,827.43

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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.