Home / 200,851.21-301,276.48-82,439.13

Finding the Fourth Proportional to 200,851.21, 301,276.48 and 82,439.13

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Solution

The fourth proportional to 200,851.21, 301,276.48 and 82,439.13 is: 123,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,851.21 : 301,276.48 = 82,439.13 : x
  2. Step 2: Convert to fraction form
    200,851.21/301,276.48 = 82,439.13/x
  3. Step 3: Cross multiply
    200,851.21x = 301,276.48 × 82,439.13
  4. Step 4: Simplify right side
    200,851.21x = 24,836,970,900.66
  5. Step 5: Solve for x
    x = 24,836,970,900.66/200,851.21
  6. Step 6: Final answer
    x = 123,658.56

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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.