Home / 204,256.50-306,392.99-71,150.22

Finding the Fourth Proportional to 204,256.50, 306,392.99 and 71,150.22

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Solution

The fourth proportional to 204,256.50, 306,392.99 and 71,150.22 is: 106,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,256.50 : 306,392.99 = 71,150.22 : x
  2. Step 2: Convert to fraction form
    204,256.50/306,392.99 = 71,150.22/x
  3. Step 3: Cross multiply
    204,256.50x = 306,392.99 × 71,150.22
  4. Step 4: Simplify right side
    204,256.50x = 21,799,926,757.24
  5. Step 5: Solve for x
    x = 21,799,926,757.24/204,256.50
  6. Step 6: Final answer
    x = 106,728.19

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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.