Home / 226,121.40-338,738.67-131,152.05

Finding the Fourth Proportional to 226,121.40, 338,738.67 and 131,152.05

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Solution

The fourth proportional to 226,121.40, 338,738.67 and 131,152.05 is: 196,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,121.40 : 338,738.67 = 131,152.05 : x
  2. Step 2: Convert to fraction form
    226,121.40/338,738.67 = 131,152.05/x
  3. Step 3: Cross multiply
    226,121.40x = 338,738.67 × 131,152.05
  4. Step 4: Simplify right side
    226,121.40x = 44,426,270,984.77
  5. Step 5: Solve for x
    x = 44,426,270,984.77/226,121.40
  6. Step 6: Final answer
    x = 196,470.88

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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.