Home / 276,203.97-381,190.73-168,836.85

Finding the Fourth Proportional to 276,203.97, 381,190.73 and 168,836.85

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Solution

The fourth proportional to 276,203.97, 381,190.73 and 168,836.85 is: 233,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,203.97 : 381,190.73 = 168,836.85 : x
  2. Step 2: Convert to fraction form
    276,203.97/381,190.73 = 168,836.85/x
  3. Step 3: Cross multiply
    276,203.97x = 381,190.73 × 168,836.85
  4. Step 4: Simplify right side
    276,203.97x = 64,359,041,258.22
  5. Step 5: Solve for x
    x = 64,359,041,258.22/276,203.97
  6. Step 6: Final answer
    x = 233,012.73

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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.