Home / 233,231.82-321,861.21-131,259.12

Finding the Fourth Proportional to 233,231.82, 321,861.21 and 131,259.12

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Solution

The fourth proportional to 233,231.82, 321,861.21 and 131,259.12 is: 181,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,231.82 : 321,861.21 = 131,259.12 : x
  2. Step 2: Convert to fraction form
    233,231.82/321,861.21 = 131,259.12/x
  3. Step 3: Cross multiply
    233,231.82x = 321,861.21 × 131,259.12
  4. Step 4: Simplify right side
    233,231.82x = 42,247,219,186.74
  5. Step 5: Solve for x
    x = 42,247,219,186.74/233,231.82
  6. Step 6: Final answer
    x = 181,138.32

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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.