Home / 131,249.66-196,636.64-60,231.69

Finding the Fourth Proportional to 131,249.66, 196,636.64 and 60,231.69

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Solution

The fourth proportional to 131,249.66, 196,636.64 and 60,231.69 is: 90,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,249.66 : 196,636.64 = 60,231.69 : x
  2. Step 2: Convert to fraction form
    131,249.66/196,636.64 = 60,231.69/x
  3. Step 3: Cross multiply
    131,249.66x = 196,636.64 × 60,231.69
  4. Step 4: Simplify right side
    131,249.66x = 11,843,756,841.96
  5. Step 5: Solve for x
    x = 11,843,756,841.96/131,249.66
  6. Step 6: Final answer
    x = 90,238.38

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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.