Home / 232,121.04-320,328-131,519.04

Finding the Fourth Proportional to 232,121.04, 320,328 and 131,519.04

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Solution

The fourth proportional to 232,121.04, 320,328 and 131,519.04 is: 181,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,121.04 : 320,328 = 131,519.04 : x
  2. Step 2: Convert to fraction form
    232,121.04/320,328 = 131,519.04/x
  3. Step 3: Cross multiply
    232,121.04x = 320,328 × 131,519.04
  4. Step 4: Simplify right side
    232,121.04x = 42,129,231,045.12
  5. Step 5: Solve for x
    x = 42,129,231,045.12/232,121.04
  6. Step 6: Final answer
    x = 181,496.82

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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.