Home / 169,968.60-255,149.33-91,236.60

Finding the Fourth Proportional to 169,968.60, 255,149.33 and 91,236.60

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Solution

The fourth proportional to 169,968.60, 255,149.33 and 91,236.60 is: 136,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.60 : 255,149.33 = 91,236.60 : x
  2. Step 2: Convert to fraction form
    169,968.60/255,149.33 = 91,236.60/x
  3. Step 3: Cross multiply
    169,968.60x = 255,149.33 × 91,236.60
  4. Step 4: Simplify right side
    169,968.60x = 23,278,956,905.30
  5. Step 5: Solve for x
    x = 23,278,956,905.30/169,968.60
  6. Step 6: Final answer
    x = 136,960.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.