Home / 121,276.44-166,149.32-116,731.06

Finding the Fourth Proportional to 121,276.44, 166,149.32 and 116,731.06

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Solution

The fourth proportional to 121,276.44, 166,149.32 and 116,731.06 is: 159,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276.44 : 166,149.32 = 116,731.06 : x
  2. Step 2: Convert to fraction form
    121,276.44/166,149.32 = 116,731.06/x
  3. Step 3: Cross multiply
    121,276.44x = 166,149.32 × 116,731.06
  4. Step 4: Simplify right side
    121,276.44x = 19,394,786,622.57
  5. Step 5: Solve for x
    x = 19,394,786,622.57/121,276.44
  6. Step 6: Final answer
    x = 159,922.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.