Home / 204,287.80-306,431.66-64,057.72

Finding the Fourth Proportional to 204,287.80, 306,431.66 and 64,057.72

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Solution

The fourth proportional to 204,287.80, 306,431.66 and 64,057.72 is: 96,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,287.80 : 306,431.66 = 64,057.72 : x
  2. Step 2: Convert to fraction form
    204,287.80/306,431.66 = 64,057.72/x
  3. Step 3: Cross multiply
    204,287.80x = 306,431.66 × 64,057.72
  4. Step 4: Simplify right side
    204,287.80x = 19,629,313,475.42
  5. Step 5: Solve for x
    x = 19,629,313,475.42/204,287.80
  6. Step 6: Final answer
    x = 96,086.57

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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.