Home / 327,249.12-490,874.32-90,592.50

Finding the Fourth Proportional to 327,249.12, 490,874.32 and 90,592.50

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Solution

The fourth proportional to 327,249.12, 490,874.32 and 90,592.50 is: 135,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,249.12 : 490,874.32 = 90,592.50 : x
  2. Step 2: Convert to fraction form
    327,249.12/490,874.32 = 90,592.50/x
  3. Step 3: Cross multiply
    327,249.12x = 490,874.32 × 90,592.50
  4. Step 4: Simplify right side
    327,249.12x = 44,469,531,834.60
  5. Step 5: Solve for x
    x = 44,469,531,834.60/327,249.12
  6. Step 6: Final answer
    x = 135,888.93

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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.