Home / 131,131.44-196,685.28-52,224.48

Finding the Fourth Proportional to 131,131.44, 196,685.28 and 52,224.48

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Solution

The fourth proportional to 131,131.44, 196,685.28 and 52,224.48 is: 78,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,131.44 : 196,685.28 = 52,224.48 : x
  2. Step 2: Convert to fraction form
    131,131.44/196,685.28 = 52,224.48/x
  3. Step 3: Cross multiply
    131,131.44x = 196,685.28 × 52,224.48
  4. Step 4: Simplify right side
    131,131.44x = 10,271,786,471.65
  5. Step 5: Solve for x
    x = 10,271,786,471.65/131,131.44
  6. Step 6: Final answer
    x = 78,331.99

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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.