Home / 271,735.36-407,008.32-192,609.60

Finding the Fourth Proportional to 271,735.36, 407,008.32 and 192,609.60

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Solution

The fourth proportional to 271,735.36, 407,008.32 and 192,609.60 is: 288,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,735.36 : 407,008.32 = 192,609.60 : x
  2. Step 2: Convert to fraction form
    271,735.36/407,008.32 = 192,609.60/x
  3. Step 3: Cross multiply
    271,735.36x = 407,008.32 × 192,609.60
  4. Step 4: Simplify right side
    271,735.36x = 78,393,709,711.87
  5. Step 5: Solve for x
    x = 78,393,709,711.87/271,735.36
  6. Step 6: Final answer
    x = 288,492.85

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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.