Home / 217,651.24-300,372.06-122,164.12

Finding the Fourth Proportional to 217,651.24, 300,372.06 and 122,164.12

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Solution

The fourth proportional to 217,651.24, 300,372.06 and 122,164.12 is: 168,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,651.24 : 300,372.06 = 122,164.12 : x
  2. Step 2: Convert to fraction form
    217,651.24/300,372.06 = 122,164.12/x
  3. Step 3: Cross multiply
    217,651.24x = 300,372.06 × 122,164.12
  4. Step 4: Simplify right side
    217,651.24x = 36,694,688,382.49
  5. Step 5: Solve for x
    x = 36,694,688,382.49/217,651.24
  6. Step 6: Final answer
    x = 168,593.98

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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.