Home / 538,105.20-807,144.84-164,131.44

Finding the Fourth Proportional to 538,105.20, 807,144.84 and 164,131.44

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Solution

The fourth proportional to 538,105.20, 807,144.84 and 164,131.44 is: 246,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,105.20 : 807,144.84 = 164,131.44 : x
  2. Step 2: Convert to fraction form
    538,105.20/807,144.84 = 164,131.44/x
  3. Step 3: Cross multiply
    538,105.20x = 807,144.84 × 164,131.44
  4. Step 4: Simplify right side
    538,105.20x = 132,477,844,877.77
  5. Step 5: Solve for x
    x = 132,477,844,877.77/538,105.20
  6. Step 6: Final answer
    x = 246,193.21

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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.