Home / 150,679.44-207,940.26-82,702.77

Finding the Fourth Proportional to 150,679.44, 207,940.26 and 82,702.77

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Solution

The fourth proportional to 150,679.44, 207,940.26 and 82,702.77 is: 114,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,679.44 : 207,940.26 = 82,702.77 : x
  2. Step 2: Convert to fraction form
    150,679.44/207,940.26 = 82,702.77/x
  3. Step 3: Cross multiply
    150,679.44x = 207,940.26 × 82,702.77
  4. Step 4: Simplify right side
    150,679.44x = 17,197,236,196.54
  5. Step 5: Solve for x
    x = 17,197,236,196.54/150,679.44
  6. Step 6: Final answer
    x = 114,131.27

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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.