Home / 131,249.67-196,950.98-55,343.56

Finding the Fourth Proportional to 131,249.67, 196,950.98 and 55,343.56

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Solution

The fourth proportional to 131,249.67, 196,950.98 and 55,343.56 is: 83,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,249.67 : 196,950.98 = 55,343.56 : x
  2. Step 2: Convert to fraction form
    131,249.67/196,950.98 = 55,343.56/x
  3. Step 3: Cross multiply
    131,249.67x = 196,950.98 × 55,343.56
  4. Step 4: Simplify right side
    131,249.67x = 10,899,968,378.69
  5. Step 5: Solve for x
    x = 10,899,968,378.69/131,249.67
  6. Step 6: Final answer
    x = 83,047.59

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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.