Home / 263,550.35-363,695.05-142,690.66

Finding the Fourth Proportional to 263,550.35, 363,695.05 and 142,690.66

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Solution

The fourth proportional to 263,550.35, 363,695.05 and 142,690.66 is: 196,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,550.35 : 363,695.05 = 142,690.66 : x
  2. Step 2: Convert to fraction form
    263,550.35/363,695.05 = 142,690.66/x
  3. Step 3: Cross multiply
    263,550.35x = 363,695.05 × 142,690.66
  4. Step 4: Simplify right side
    263,550.35x = 51,895,886,723.23
  5. Step 5: Solve for x
    x = 51,895,886,723.23/263,550.35
  6. Step 6: Final answer
    x = 196,910.71

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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.