Home / 142,699.44-196,923.24-82,270.20

Finding the Fourth Proportional to 142,699.44, 196,923.24 and 82,270.20

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Solution

The fourth proportional to 142,699.44, 196,923.24 and 82,270.20 is: 113,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,699.44 : 196,923.24 = 82,270.20 : x
  2. Step 2: Convert to fraction form
    142,699.44/196,923.24 = 82,270.20/x
  3. Step 3: Cross multiply
    142,699.44x = 196,923.24 × 82,270.20
  4. Step 4: Simplify right side
    142,699.44x = 16,200,914,339.45
  5. Step 5: Solve for x
    x = 16,200,914,339.45/142,699.44
  6. Step 6: Final answer
    x = 113,531.73

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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.