Home / 131,819.07-197,762.31-38,324.82

Finding the Fourth Proportional to 131,819.07, 197,762.31 and 38,324.82

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Solution

The fourth proportional to 131,819.07, 197,762.31 and 38,324.82 is: 57,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,819.07 : 197,762.31 = 38,324.82 : x
  2. Step 2: Convert to fraction form
    131,819.07/197,762.31 = 38,324.82/x
  3. Step 3: Cross multiply
    131,819.07x = 197,762.31 × 38,324.82
  4. Step 4: Simplify right side
    131,819.07x = 7,579,204,933.53
  5. Step 5: Solve for x
    x = 7,579,204,933.53/131,819.07
  6. Step 6: Final answer
    x = 57,497.03

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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.