Home / 199,982.73-300,057.48-87,743.62

Finding the Fourth Proportional to 199,982.73, 300,057.48 and 87,743.62

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Solution

The fourth proportional to 199,982.73, 300,057.48 and 87,743.62 is: 131,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,982.73 : 300,057.48 = 87,743.62 : x
  2. Step 2: Convert to fraction form
    199,982.73/300,057.48 = 87,743.62/x
  3. Step 3: Cross multiply
    199,982.73x = 300,057.48 × 87,743.62
  4. Step 4: Simplify right side
    199,982.73x = 26,328,129,878.35
  5. Step 5: Solve for x
    x = 26,328,129,878.35/199,982.73
  6. Step 6: Final answer
    x = 131,652.02

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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.