Home / 192,921.20-266,218.40-106,874.39

Finding the Fourth Proportional to 192,921.20, 266,218.40 and 106,874.39

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Solution

The fourth proportional to 192,921.20, 266,218.40 and 106,874.39 is: 147,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,921.20 : 266,218.40 = 106,874.39 : x
  2. Step 2: Convert to fraction form
    192,921.20/266,218.40 = 106,874.39/x
  3. Step 3: Cross multiply
    192,921.20x = 266,218.40 × 106,874.39
  4. Step 4: Simplify right side
    192,921.20x = 28,451,927,241.31
  5. Step 5: Solve for x
    x = 28,451,927,241.31/192,921.20
  6. Step 6: Final answer
    x = 147,479.53

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1.5x scale

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.