Home / 131,422.70-197,112.48-36,659.33

Finding the Fourth Proportional to 131,422.70, 197,112.48 and 36,659.33

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Solution

The fourth proportional to 131,422.70, 197,112.48 and 36,659.33 is: 54,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,422.70 : 197,112.48 = 36,659.33 : x
  2. Step 2: Convert to fraction form
    131,422.70/197,112.48 = 36,659.33/x
  3. Step 3: Cross multiply
    131,422.70x = 197,112.48 × 36,659.33
  4. Step 4: Simplify right side
    131,422.70x = 7,226,011,451.44
  5. Step 5: Solve for x
    x = 7,226,011,451.44/131,422.70
  6. Step 6: Final answer
    x = 54,982.98

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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.