Home / 233,228.16-321,821.64-131,239.44

Finding the Fourth Proportional to 233,228.16, 321,821.64 and 131,239.44

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Solution

The fourth proportional to 233,228.16, 321,821.64 and 131,239.44 is: 181,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,228.16 : 321,821.64 = 131,239.44 : x
  2. Step 2: Convert to fraction form
    233,228.16/321,821.64 = 131,239.44/x
  3. Step 3: Cross multiply
    233,228.16x = 321,821.64 × 131,239.44
  4. Step 4: Simplify right side
    233,228.16x = 42,235,691,813.48
  5. Step 5: Solve for x
    x = 42,235,691,813.48/233,228.16
  6. Step 6: Final answer
    x = 181,091.73

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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.