Home / 204,001.20-305,807.40-158,997.60

Finding the Fourth Proportional to 204,001.20, 305,807.40 and 158,997.60

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Solution

The fourth proportional to 204,001.20, 305,807.40 and 158,997.60 is: 238,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,001.20 : 305,807.40 = 158,997.60 : x
  2. Step 2: Convert to fraction form
    204,001.20/305,807.40 = 158,997.60/x
  3. Step 3: Cross multiply
    204,001.20x = 305,807.40 × 158,997.60
  4. Step 4: Simplify right side
    204,001.20x = 48,622,642,662.24
  5. Step 5: Solve for x
    x = 48,622,642,662.24/204,001.20
  6. Step 6: Final answer
    x = 238,344.89

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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.