Home / 276,688.11-381,843.78-169,224.39

Finding the Fourth Proportional to 276,688.11, 381,843.78 and 169,224.39

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Solution

The fourth proportional to 276,688.11, 381,843.78 and 169,224.39 is: 233,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,688.11 : 381,843.78 = 169,224.39 : x
  2. Step 2: Convert to fraction form
    276,688.11/381,843.78 = 169,224.39/x
  3. Step 3: Cross multiply
    276,688.11x = 381,843.78 × 169,224.39
  4. Step 4: Simplify right side
    276,688.11x = 64,617,280,745.79
  5. Step 5: Solve for x
    x = 64,617,280,745.79/276,688.11
  6. Step 6: Final answer
    x = 233,538.34

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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.