Home / 270,076.20-405,163.50-92,601.12

Finding the Fourth Proportional to 270,076.20, 405,163.50 and 92,601.12

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Solution

The fourth proportional to 270,076.20, 405,163.50 and 92,601.12 is: 138,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,076.20 : 405,163.50 = 92,601.12 : x
  2. Step 2: Convert to fraction form
    270,076.20/405,163.50 = 92,601.12/x
  3. Step 3: Cross multiply
    270,076.20x = 405,163.50 × 92,601.12
  4. Step 4: Simplify right side
    270,076.20x = 37,518,593,883.12
  5. Step 5: Solve for x
    x = 37,518,593,883.12/270,076.20
  6. Step 6: Final answer
    x = 138,918.55

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1.5x scale

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.