Home / 204,872.69-307,109.48-92,581.18

Finding the Fourth Proportional to 204,872.69, 307,109.48 and 92,581.18

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Solution

The fourth proportional to 204,872.69, 307,109.48 and 92,581.18 is: 138,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,872.69 : 307,109.48 = 92,581.18 : x
  2. Step 2: Convert to fraction form
    204,872.69/307,109.48 = 92,581.18/x
  3. Step 3: Cross multiply
    204,872.69x = 307,109.48 × 92,581.18
  4. Step 4: Simplify right side
    204,872.69x = 28,432,556,816.91
  5. Step 5: Solve for x
    x = 28,432,556,816.91/204,872.69
  6. Step 6: Final answer
    x = 138,781.58

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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.