Home / 220,023.32-303,606.96-123,213.68

Finding the Fourth Proportional to 220,023.32, 303,606.96 and 123,213.68

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Solution

The fourth proportional to 220,023.32, 303,606.96 and 123,213.68 is: 170,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,023.32 : 303,606.96 = 123,213.68 : x
  2. Step 2: Convert to fraction form
    220,023.32/303,606.96 = 123,213.68/x
  3. Step 3: Cross multiply
    220,023.32x = 303,606.96 × 123,213.68
  4. Step 4: Simplify right side
    220,023.32x = 37,408,530,815.21
  5. Step 5: Solve for x
    x = 37,408,530,815.21/220,023.32
  6. Step 6: Final answer
    x = 170,020.75

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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.