Home / 159,824.40-220,640.60-116,755.55

Finding the Fourth Proportional to 159,824.40, 220,640.60 and 116,755.55

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Solution

The fourth proportional to 159,824.40, 220,640.60 and 116,755.55 is: 161,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,824.40 : 220,640.60 = 116,755.55 : x
  2. Step 2: Convert to fraction form
    159,824.40/220,640.60 = 116,755.55/x
  3. Step 3: Cross multiply
    159,824.40x = 220,640.60 × 116,755.55
  4. Step 4: Simplify right side
    159,824.40x = 25,761,015,448.82
  5. Step 5: Solve for x
    x = 25,761,015,448.82/159,824.40
  6. Step 6: Final answer
    x = 161,183.25

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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.