Home / 131,821.20-197,710.20-37,057.80

Finding the Fourth Proportional to 131,821.20, 197,710.20 and 37,057.80

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Solution

The fourth proportional to 131,821.20, 197,710.20 and 37,057.80 is: 55,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,821.20 : 197,710.20 = 37,057.80 : x
  2. Step 2: Convert to fraction form
    131,821.20/197,710.20 = 37,057.80/x
  3. Step 3: Cross multiply
    131,821.20x = 197,710.20 × 37,057.80
  4. Step 4: Simplify right side
    131,821.20x = 7,326,705,049.56
  5. Step 5: Solve for x
    x = 7,326,705,049.56/131,821.20
  6. Step 6: Final answer
    x = 55,580.63

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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.