Home / 192,786.48-289,171.22-52,545.11

Finding the Fourth Proportional to 192,786.48, 289,171.22 and 52,545.11

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Solution

The fourth proportional to 192,786.48, 289,171.22 and 52,545.11 is: 78,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,786.48 : 289,171.22 = 52,545.11 : x
  2. Step 2: Convert to fraction form
    192,786.48/289,171.22 = 52,545.11/x
  3. Step 3: Cross multiply
    192,786.48x = 289,171.22 × 52,545.11
  4. Step 4: Simplify right side
    192,786.48x = 15,194,531,855.15
  5. Step 5: Solve for x
    x = 15,194,531,855.15/192,786.48
  6. Step 6: Final answer
    x = 78,815.34

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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.