Home / 352,200.36-486,245.94-231,555.72

Finding the Fourth Proportional to 352,200.36, 486,245.94 and 231,555.72

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Solution

The fourth proportional to 352,200.36, 486,245.94 and 231,555.72 is: 319,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,200.36 : 486,245.94 = 231,555.72 : x
  2. Step 2: Convert to fraction form
    352,200.36/486,245.94 = 231,555.72/x
  3. Step 3: Cross multiply
    352,200.36x = 486,245.94 × 231,555.72
  4. Step 4: Simplify right side
    352,200.36x = 112,593,028,733.78
  5. Step 5: Solve for x
    x = 112,593,028,733.78/352,200.36
  6. Step 6: Final answer
    x = 319,684.59

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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.