Home / 131,798.25-197,757.62-71,736.75

Finding the Fourth Proportional to 131,798.25, 197,757.62 and 71,736.75

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Solution

The fourth proportional to 131,798.25, 197,757.62 and 71,736.75 is: 107,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,798.25 : 197,757.62 = 71,736.75 : x
  2. Step 2: Convert to fraction form
    131,798.25/197,757.62 = 71,736.75/x
  3. Step 3: Cross multiply
    131,798.25x = 197,757.62 × 71,736.75
  4. Step 4: Simplify right side
    131,798.25x = 14,186,488,856.86
  5. Step 5: Solve for x
    x = 14,186,488,856.86/131,798.25
  6. Step 6: Final answer
    x = 107,637.92

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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.