Home / 131,821.44-197,648.36-111,837.82

Finding the Fourth Proportional to 131,821.44, 197,648.36 and 111,837.82

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Solution

The fourth proportional to 131,821.44, 197,648.36 and 111,837.82 is: 167,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,821.44 : 197,648.36 = 111,837.82 : x
  2. Step 2: Convert to fraction form
    131,821.44/197,648.36 = 111,837.82/x
  3. Step 3: Cross multiply
    131,821.44x = 197,648.36 × 111,837.82
  4. Step 4: Simplify right side
    131,821.44x = 22,104,561,708.98
  5. Step 5: Solve for x
    x = 22,104,561,708.98/131,821.44
  6. Step 6: Final answer
    x = 167,685.63

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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.