Home / 204,367.56-306,152.76-115,351.80

Finding the Fourth Proportional to 204,367.56, 306,152.76 and 115,351.80

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Solution

The fourth proportional to 204,367.56, 306,152.76 and 115,351.80 is: 172,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,367.56 : 306,152.76 = 115,351.80 : x
  2. Step 2: Convert to fraction form
    204,367.56/306,152.76 = 115,351.80/x
  3. Step 3: Cross multiply
    204,367.56x = 306,152.76 × 115,351.80
  4. Step 4: Simplify right side
    204,367.56x = 35,315,271,940.97
  5. Step 5: Solve for x
    x = 35,315,271,940.97/204,367.56
  6. Step 6: Final answer
    x = 172,802.73

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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.