Home / 211,836.20-317,753.99-54,064.64

Finding the Fourth Proportional to 211,836.20, 317,753.99 and 54,064.64

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Solution

The fourth proportional to 211,836.20, 317,753.99 and 54,064.64 is: 81,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,836.20 : 317,753.99 = 54,064.64 : x
  2. Step 2: Convert to fraction form
    211,836.20/317,753.99 = 54,064.64/x
  3. Step 3: Cross multiply
    211,836.20x = 317,753.99 × 54,064.64
  4. Step 4: Simplify right side
    211,836.20x = 17,179,253,218.82
  5. Step 5: Solve for x
    x = 17,179,253,218.82/211,836.20
  6. Step 6: Final answer
    x = 81,096.87

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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.