Home / 367,932.30-551,791.81-143,242.64

Finding the Fourth Proportional to 367,932.30, 551,791.81 and 143,242.64

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Solution

The fourth proportional to 367,932.30, 551,791.81 and 143,242.64 is: 214,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,932.30 : 551,791.81 = 143,242.64 : x
  2. Step 2: Convert to fraction form
    367,932.30/551,791.81 = 143,242.64/x
  3. Step 3: Cross multiply
    367,932.30x = 551,791.81 × 143,242.64
  4. Step 4: Simplify right side
    367,932.30x = 79,040,115,594.78
  5. Step 5: Solve for x
    x = 79,040,115,594.78/367,932.30
  6. Step 6: Final answer
    x = 214,822.44

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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.