Home / 271,975.30-408,049.35-122,157.70

Finding the Fourth Proportional to 271,975.30, 408,049.35 and 122,157.70

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Solution

The fourth proportional to 271,975.30, 408,049.35 and 122,157.70 is: 183,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,975.30 : 408,049.35 = 122,157.70 : x
  2. Step 2: Convert to fraction form
    271,975.30/408,049.35 = 122,157.70/x
  3. Step 3: Cross multiply
    271,975.30x = 408,049.35 × 122,157.70
  4. Step 4: Simplify right side
    271,975.30x = 49,846,370,082.50
  5. Step 5: Solve for x
    x = 49,846,370,082.50/271,975.30
  6. Step 6: Final answer
    x = 183,275.36

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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.