Home / 142,754.80-196,996.36-82,327.96

Finding the Fourth Proportional to 142,754.80, 196,996.36 and 82,327.96

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Solution

The fourth proportional to 142,754.80, 196,996.36 and 82,327.96 is: 113,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,754.80 : 196,996.36 = 82,327.96 : x
  2. Step 2: Convert to fraction form
    142,754.80/196,996.36 = 82,327.96/x
  3. Step 3: Cross multiply
    142,754.80x = 196,996.36 × 82,327.96
  4. Step 4: Simplify right side
    142,754.80x = 16,218,308,446.23
  5. Step 5: Solve for x
    x = 16,218,308,446.23/142,754.80
  6. Step 6: Final answer
    x = 113,609.55

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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.