Home / 445,205.23-667,885.61-195,880.75

Finding the Fourth Proportional to 445,205.23, 667,885.61 and 195,880.75

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Solution

The fourth proportional to 445,205.23, 667,885.61 and 195,880.75 is: 293,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,205.23 : 667,885.61 = 195,880.75 : x
  2. Step 2: Convert to fraction form
    445,205.23/667,885.61 = 195,880.75/x
  3. Step 3: Cross multiply
    445,205.23x = 667,885.61 × 195,880.75
  4. Step 4: Simplify right side
    445,205.23x = 130,825,934,201.01
  5. Step 5: Solve for x
    x = 130,825,934,201.01/445,205.23
  6. Step 6: Final answer
    x = 293,855.34

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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.