Home / 204,869.60-307,016.40-162,821.60

Finding the Fourth Proportional to 204,869.60, 307,016.40 and 162,821.60

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Solution

The fourth proportional to 204,869.60, 307,016.40 and 162,821.60 is: 244,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,869.60 : 307,016.40 = 162,821.60 : x
  2. Step 2: Convert to fraction form
    204,869.60/307,016.40 = 162,821.60/x
  3. Step 3: Cross multiply
    204,869.60x = 307,016.40 × 162,821.60
  4. Step 4: Simplify right side
    204,869.60x = 49,988,901,474.24
  5. Step 5: Solve for x
    x = 49,988,901,474.24/204,869.60
  6. Step 6: Final answer
    x = 244,003.51

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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.