Home / 276,772.34-415,183.12-108,305.10

Finding the Fourth Proportional to 276,772.34, 415,183.12 and 108,305.10

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Solution

The fourth proportional to 276,772.34, 415,183.12 and 108,305.10 is: 162,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,772.34 : 415,183.12 = 108,305.10 : x
  2. Step 2: Convert to fraction form
    276,772.34/415,183.12 = 108,305.10/x
  3. Step 3: Cross multiply
    276,772.34x = 415,183.12 × 108,305.10
  4. Step 4: Simplify right side
    276,772.34x = 44,966,449,059.15
  5. Step 5: Solve for x
    x = 44,966,449,059.15/276,772.34
  6. Step 6: Final answer
    x = 162,467.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.