Home / 233,151.89-321,736.32-131,181.73

Finding the Fourth Proportional to 233,151.89, 321,736.32 and 131,181.73

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Solution

The fourth proportional to 233,151.89, 321,736.32 and 131,181.73 is: 181,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,151.89 : 321,736.32 = 131,181.73 : x
  2. Step 2: Convert to fraction form
    233,151.89/321,736.32 = 131,181.73/x
  3. Step 3: Cross multiply
    233,151.89x = 321,736.32 × 131,181.73
  4. Step 4: Simplify right side
    233,151.89x = 42,205,926,257.09
  5. Step 5: Solve for x
    x = 42,205,926,257.09/233,151.89
  6. Step 6: Final answer
    x = 181,023.31

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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.