Home / 131,231.68-196,849.14-52,299.88

Finding the Fourth Proportional to 131,231.68, 196,849.14 and 52,299.88

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Solution

The fourth proportional to 131,231.68, 196,849.14 and 52,299.88 is: 78,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,231.68 : 196,849.14 = 52,299.88 : x
  2. Step 2: Convert to fraction form
    131,231.68/196,849.14 = 52,299.88/x
  3. Step 3: Cross multiply
    131,231.68x = 196,849.14 × 52,299.88
  4. Step 4: Simplify right side
    131,231.68x = 10,295,186,400.10
  5. Step 5: Solve for x
    x = 10,295,186,400.10/131,231.68
  6. Step 6: Final answer
    x = 78,450.47

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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.