Home / 142,732.26-196,991.49-82,291.07

Finding the Fourth Proportional to 142,732.26, 196,991.49 and 82,291.07

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Solution

The fourth proportional to 142,732.26, 196,991.49 and 82,291.07 is: 113,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,732.26 : 196,991.49 = 82,291.07 : x
  2. Step 2: Convert to fraction form
    142,732.26/196,991.49 = 82,291.07/x
  3. Step 3: Cross multiply
    142,732.26x = 196,991.49 × 82,291.07
  4. Step 4: Simplify right side
    142,732.26x = 16,210,639,508.04
  5. Step 5: Solve for x
    x = 16,210,639,508.04/142,732.26
  6. Step 6: Final answer
    x = 113,573.76

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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.