Home / 202,781.92-279,860.07-116,743.96

Finding the Fourth Proportional to 202,781.92, 279,860.07 and 116,743.96

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Solution

The fourth proportional to 202,781.92, 279,860.07 and 116,743.96 is: 161,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,781.92 : 279,860.07 = 116,743.96 : x
  2. Step 2: Convert to fraction form
    202,781.92/279,860.07 = 116,743.96/x
  3. Step 3: Cross multiply
    202,781.92x = 279,860.07 × 116,743.96
  4. Step 4: Simplify right side
    202,781.92x = 32,671,972,817.68
  5. Step 5: Solve for x
    x = 32,671,972,817.68/202,781.92
  6. Step 6: Final answer
    x = 161,118.77

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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.