Home / 204,772.20-307,619.10-196,938.60

Finding the Fourth Proportional to 204,772.20, 307,619.10 and 196,938.60

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Solution

The fourth proportional to 204,772.20, 307,619.10 and 196,938.60 is: 295,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,772.20 : 307,619.10 = 196,938.60 : x
  2. Step 2: Convert to fraction form
    204,772.20/307,619.10 = 196,938.60/x
  3. Step 3: Cross multiply
    204,772.20x = 307,619.10 × 196,938.60
  4. Step 4: Simplify right side
    204,772.20x = 60,582,074,887.26
  5. Step 5: Solve for x
    x = 60,582,074,887.26/204,772.20
  6. Step 6: Final answer
    x = 295,851.07

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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.