Home / 207,910.08-311,862.40-50,137.36

Finding the Fourth Proportional to 207,910.08, 311,862.40 and 50,137.36

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Solution

The fourth proportional to 207,910.08, 311,862.40 and 50,137.36 is: 75,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910.08 : 311,862.40 = 50,137.36 : x
  2. Step 2: Convert to fraction form
    207,910.08/311,862.40 = 50,137.36/x
  3. Step 3: Cross multiply
    207,910.08x = 311,862.40 × 50,137.36
  4. Step 4: Simplify right side
    207,910.08x = 15,635,957,419.26
  5. Step 5: Solve for x
    x = 15,635,957,419.26/207,910.08
  6. Step 6: Final answer
    x = 75,205.38

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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.