Home / 220,183.20-303,851.09-119,581.20

Finding the Fourth Proportional to 220,183.20, 303,851.09 and 119,581.20

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Solution

The fourth proportional to 220,183.20, 303,851.09 and 119,581.20 is: 165,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,183.20 : 303,851.09 = 119,581.20 : x
  2. Step 2: Convert to fraction form
    220,183.20/303,851.09 = 119,581.20/x
  3. Step 3: Cross multiply
    220,183.20x = 303,851.09 × 119,581.20
  4. Step 4: Simplify right side
    220,183.20x = 36,334,877,365.60
  5. Step 5: Solve for x
    x = 36,334,877,365.60/220,183.20
  6. Step 6: Final answer
    x = 165,021.12

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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.