Home / 217,727.03-300,453.29-120,937.03

Finding the Fourth Proportional to 217,727.03, 300,453.29 and 120,937.03

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Solution

The fourth proportional to 217,727.03, 300,453.29 and 120,937.03 is: 166,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,727.03 : 300,453.29 = 120,937.03 : x
  2. Step 2: Convert to fraction form
    217,727.03/300,453.29 = 120,937.03/x
  3. Step 3: Cross multiply
    217,727.03x = 300,453.29 × 120,937.03
  4. Step 4: Simplify right side
    217,727.03x = 36,335,928,546.33
  5. Step 5: Solve for x
    x = 36,335,928,546.33/217,727.03
  6. Step 6: Final answer
    x = 166,887.54

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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.