Home / 276,727.67-381,912.89-169,369.19

Finding the Fourth Proportional to 276,727.67, 381,912.89 and 169,369.19

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Solution

The fourth proportional to 276,727.67, 381,912.89 and 169,369.19 is: 233,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,727.67 : 381,912.89 = 169,369.19 : x
  2. Step 2: Convert to fraction form
    276,727.67/381,912.89 = 169,369.19/x
  3. Step 3: Cross multiply
    276,727.67x = 381,912.89 × 169,369.19
  4. Step 4: Simplify right side
    276,727.67x = 64,684,274,073.45
  5. Step 5: Solve for x
    x = 64,684,274,073.45/276,727.67
  6. Step 6: Final answer
    x = 233,747.05

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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.