Home / 131,390.62-196,932.20-60,320.13

Finding the Fourth Proportional to 131,390.62, 196,932.20 and 60,320.13

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Solution

The fourth proportional to 131,390.62, 196,932.20 and 60,320.13 is: 90,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,390.62 : 196,932.20 = 60,320.13 : x
  2. Step 2: Convert to fraction form
    131,390.62/196,932.20 = 60,320.13/x
  3. Step 3: Cross multiply
    131,390.62x = 196,932.20 × 60,320.13
  4. Step 4: Simplify right side
    131,390.62x = 11,878,975,556.03
  5. Step 5: Solve for x
    x = 11,878,975,556.03/131,390.62
  6. Step 6: Final answer
    x = 90,409.61

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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.