Home / 317,844.42-477,183.33-213,131.94

Finding the Fourth Proportional to 317,844.42, 477,183.33 and 213,131.94

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Solution

The fourth proportional to 317,844.42, 477,183.33 and 213,131.94 is: 319,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,844.42 : 477,183.33 = 213,131.94 : x
  2. Step 2: Convert to fraction form
    317,844.42/477,183.33 = 213,131.94/x
  3. Step 3: Cross multiply
    317,844.42x = 477,183.33 × 213,131.94
  4. Step 4: Simplify right side
    317,844.42x = 101,703,008,858.56
  5. Step 5: Solve for x
    x = 101,703,008,858.56/317,844.42
  6. Step 6: Final answer
    x = 319,977.33

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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.