Home / 131,293.46-196,940.19-104,874.50

Finding the Fourth Proportional to 131,293.46, 196,940.19 and 104,874.50

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Solution

The fourth proportional to 131,293.46, 196,940.19 and 104,874.50 is: 157,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293.46 : 196,940.19 = 104,874.50 : x
  2. Step 2: Convert to fraction form
    131,293.46/196,940.19 = 104,874.50/x
  3. Step 3: Cross multiply
    131,293.46x = 196,940.19 × 104,874.50
  4. Step 4: Simplify right side
    131,293.46x = 20,654,002,971.45
  5. Step 5: Solve for x
    x = 20,654,002,971.45/131,293.46
  6. Step 6: Final answer
    x = 157,311.75

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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.