Home / 217,221.40-325,832.10-110,933.20

Finding the Fourth Proportional to 217,221.40, 325,832.10 and 110,933.20

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Solution

The fourth proportional to 217,221.40, 325,832.10 and 110,933.20 is: 166,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,221.40 : 325,832.10 = 110,933.20 : x
  2. Step 2: Convert to fraction form
    217,221.40/325,832.10 = 110,933.20/x
  3. Step 3: Cross multiply
    217,221.40x = 325,832.10 × 110,933.20
  4. Step 4: Simplify right side
    217,221.40x = 36,145,597,515.72
  5. Step 5: Solve for x
    x = 36,145,597,515.72/217,221.40
  6. Step 6: Final answer
    x = 166,399.80

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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.