Home / 330,880.57-456,696.30-187,724.41

Finding the Fourth Proportional to 330,880.57, 456,696.30 and 187,724.41

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Solution

The fourth proportional to 330,880.57, 456,696.30 and 187,724.41 is: 259,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,880.57 : 456,696.30 = 187,724.41 : x
  2. Step 2: Convert to fraction form
    330,880.57/456,696.30 = 187,724.41/x
  3. Step 3: Cross multiply
    330,880.57x = 456,696.30 × 187,724.41
  4. Step 4: Simplify right side
    330,880.57x = 85,733,043,466.68
  5. Step 5: Solve for x
    x = 85,733,043,466.68/330,880.57
  6. Step 6: Final answer
    x = 259,105.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.