Home / 142,581.24-196,805.94-82,192.26

Finding the Fourth Proportional to 142,581.24, 196,805.94 and 82,192.26

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Solution

The fourth proportional to 142,581.24, 196,805.94 and 82,192.26 is: 113,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,581.24 : 196,805.94 = 82,192.26 : x
  2. Step 2: Convert to fraction form
    142,581.24/196,805.94 = 82,192.26/x
  3. Step 3: Cross multiply
    142,581.24x = 196,805.94 × 82,192.26
  4. Step 4: Simplify right side
    142,581.24x = 16,175,924,990.02
  5. Step 5: Solve for x
    x = 16,175,924,990.02/142,581.24
  6. Step 6: Final answer
    x = 113,450.58

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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.