Home / 204,869.10-307,015.65-162,821.10

Finding the Fourth Proportional to 204,869.10, 307,015.65 and 162,821.10

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Solution

The fourth proportional to 204,869.10, 307,015.65 and 162,821.10 is: 244,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,869.10 : 307,015.65 = 162,821.10 : x
  2. Step 2: Convert to fraction form
    204,869.10/307,015.65 = 162,821.10/x
  3. Step 3: Cross multiply
    204,869.10x = 307,015.65 × 162,821.10
  4. Step 4: Simplify right side
    204,869.10x = 49,988,625,850.22
  5. Step 5: Solve for x
    x = 49,988,625,850.22/204,869.10
  6. Step 6: Final answer
    x = 244,002.76

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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.