Home / 131,990.14-197,974.88-37,216.49

Finding the Fourth Proportional to 131,990.14, 197,974.88 and 37,216.49

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Solution

The fourth proportional to 131,990.14, 197,974.88 and 37,216.49 is: 55,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,990.14 : 197,974.88 = 37,216.49 : x
  2. Step 2: Convert to fraction form
    131,990.14/197,974.88 = 37,216.49/x
  3. Step 3: Cross multiply
    131,990.14x = 197,974.88 × 37,216.49
  4. Step 4: Simplify right side
    131,990.14x = 7,367,929,955.69
  5. Step 5: Solve for x
    x = 7,367,929,955.69/131,990.14
  6. Step 6: Final answer
    x = 55,821.82

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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.