Home / 142,446.35-196,383.60-91,370.41

Finding the Fourth Proportional to 142,446.35, 196,383.60 and 91,370.41

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Solution

The fourth proportional to 142,446.35, 196,383.60 and 91,370.41 is: 125,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,446.35 : 196,383.60 = 91,370.41 : x
  2. Step 2: Convert to fraction form
    142,446.35/196,383.60 = 91,370.41/x
  3. Step 3: Cross multiply
    142,446.35x = 196,383.60 × 91,370.41
  4. Step 4: Simplify right side
    142,446.35x = 17,943,650,662.97
  5. Step 5: Solve for x
    x = 17,943,650,662.97/142,446.35
  6. Step 6: Final answer
    x = 125,967.78

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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.