Home / 276,590.22-381,704.70-154,093.56

Finding the Fourth Proportional to 276,590.22, 381,704.70 and 154,093.56

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Solution

The fourth proportional to 276,590.22, 381,704.70 and 154,093.56 is: 212,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,590.22 : 381,704.70 = 154,093.56 : x
  2. Step 2: Convert to fraction form
    276,590.22/381,704.70 = 154,093.56/x
  3. Step 3: Cross multiply
    276,590.22x = 381,704.70 × 154,093.56
  4. Step 4: Simplify right side
    276,590.22x = 58,818,236,091.73
  5. Step 5: Solve for x
    x = 58,818,236,091.73/276,590.22
  6. Step 6: Final answer
    x = 212,654.79

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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.