Home / 192,918.85-266,221.83-106,874.31

Finding the Fourth Proportional to 192,918.85, 266,221.83 and 106,874.31

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Solution

The fourth proportional to 192,918.85, 266,221.83 and 106,874.31 is: 147,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,918.85 : 266,221.83 = 106,874.31 : x
  2. Step 2: Convert to fraction form
    192,918.85/266,221.83 = 106,874.31/x
  3. Step 3: Cross multiply
    192,918.85x = 266,221.83 × 106,874.31
  4. Step 4: Simplify right side
    192,918.85x = 28,452,274,388.19
  5. Step 5: Solve for x
    x = 28,452,274,388.19/192,918.85
  6. Step 6: Final answer
    x = 147,483.12

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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.