Home / 233,206.45-321,821.12-131,231.85

Finding the Fourth Proportional to 233,206.45, 321,821.12 and 131,231.85

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Solution

The fourth proportional to 233,206.45, 321,821.12 and 131,231.85 is: 181,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,206.45 : 321,821.12 = 131,231.85 : x
  2. Step 2: Convert to fraction form
    233,206.45/321,821.12 = 131,231.85/x
  3. Step 3: Cross multiply
    233,206.45x = 321,821.12 × 131,231.85
  4. Step 4: Simplify right side
    233,206.45x = 42,233,180,067.92
  5. Step 5: Solve for x
    x = 42,233,180,067.92/233,206.45
  6. Step 6: Final answer
    x = 181,097.82

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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.