Home / 204,949.30-307,473.96-78,587.28

Finding the Fourth Proportional to 204,949.30, 307,473.96 and 78,587.28

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Solution

The fourth proportional to 204,949.30, 307,473.96 and 78,587.28 is: 117,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,949.30 : 307,473.96 = 78,587.28 : x
  2. Step 2: Convert to fraction form
    204,949.30/307,473.96 = 78,587.28/x
  3. Step 3: Cross multiply
    204,949.30x = 307,473.96 × 78,587.28
  4. Step 4: Simplify right side
    204,949.30x = 24,163,540,649.86
  5. Step 5: Solve for x
    x = 24,163,540,649.86/204,949.30
  6. Step 6: Final answer
    x = 117,900.09

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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.