Home / 131,911.75-197,539.38-92,283.31

Finding the Fourth Proportional to 131,911.75, 197,539.38 and 92,283.31

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Solution

The fourth proportional to 131,911.75, 197,539.38 and 92,283.31 is: 138,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,911.75 : 197,539.38 = 92,283.31 : x
  2. Step 2: Convert to fraction form
    131,911.75/197,539.38 = 92,283.31/x
  3. Step 3: Cross multiply
    131,911.75x = 197,539.38 × 92,283.31
  4. Step 4: Simplify right side
    131,911.75x = 18,229,587,841.75
  5. Step 5: Solve for x
    x = 18,229,587,841.75/131,911.75
  6. Step 6: Final answer
    x = 138,195.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.