Home / 327,610.32-491,360.67-90,976.92

Finding the Fourth Proportional to 327,610.32, 491,360.67 and 90,976.92

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Solution

The fourth proportional to 327,610.32, 491,360.67 and 90,976.92 is: 136,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,610.32 : 491,360.67 = 90,976.92 : x
  2. Step 2: Convert to fraction form
    327,610.32/491,360.67 = 90,976.92/x
  3. Step 3: Cross multiply
    327,610.32x = 491,360.67 × 90,976.92
  4. Step 4: Simplify right side
    327,610.32x = 44,702,480,365.74
  5. Step 5: Solve for x
    x = 44,702,480,365.74/327,610.32
  6. Step 6: Final answer
    x = 136,450.16

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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.