Home / 198,331.33-273,669.70-116,663.29

Finding the Fourth Proportional to 198,331.33, 273,669.70 and 116,663.29

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Solution

The fourth proportional to 198,331.33, 273,669.70 and 116,663.29 is: 160,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,331.33 : 273,669.70 = 116,663.29 : x
  2. Step 2: Convert to fraction form
    198,331.33/273,669.70 = 116,663.29/x
  3. Step 3: Cross multiply
    198,331.33x = 273,669.70 × 116,663.29
  4. Step 4: Simplify right side
    198,331.33x = 31,927,207,575.31
  5. Step 5: Solve for x
    x = 31,927,207,575.31/198,331.33
  6. Step 6: Final answer
    x = 160,979.14

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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.