Home / 204,808.20-307,212.30-57,064.20

Finding the Fourth Proportional to 204,808.20, 307,212.30 and 57,064.20

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Solution

The fourth proportional to 204,808.20, 307,212.30 and 57,064.20 is: 85,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,808.20 : 307,212.30 = 57,064.20 : x
  2. Step 2: Convert to fraction form
    204,808.20/307,212.30 = 57,064.20/x
  3. Step 3: Cross multiply
    204,808.20x = 307,212.30 × 57,064.20
  4. Step 4: Simplify right side
    204,808.20x = 17,530,824,129.66
  5. Step 5: Solve for x
    x = 17,530,824,129.66/204,808.20
  6. Step 6: Final answer
    x = 85,596.30

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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.