Home / 232,020.38-320,188.14-131,418.38

Finding the Fourth Proportional to 232,020.38, 320,188.14 and 131,418.38

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Solution

The fourth proportional to 232,020.38, 320,188.14 and 131,418.38 is: 181,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,020.38 : 320,188.14 = 131,418.38 : x
  2. Step 2: Convert to fraction form
    232,020.38/320,188.14 = 131,418.38/x
  3. Step 3: Cross multiply
    232,020.38x = 320,188.14 × 131,418.38
  4. Step 4: Simplify right side
    232,020.38x = 42,078,605,053.07
  5. Step 5: Solve for x
    x = 42,078,605,053.07/232,020.38
  6. Step 6: Final answer
    x = 181,357.37

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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.