Home / 233,311.20-321,965.82-131,336.46

Finding the Fourth Proportional to 233,311.20, 321,965.82 and 131,336.46

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Solution

The fourth proportional to 233,311.20, 321,965.82 and 131,336.46 is: 181,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,311.20 : 321,965.82 = 131,336.46 : x
  2. Step 2: Convert to fraction form
    233,311.20/321,965.82 = 131,336.46/x
  3. Step 3: Cross multiply
    233,311.20x = 321,965.82 × 131,336.46
  4. Step 4: Simplify right side
    233,311.20x = 42,285,851,039.80
  5. Step 5: Solve for x
    x = 42,285,851,039.80/233,311.20
  6. Step 6: Final answer
    x = 181,242.27

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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.