Home / 154,121.48-231,190.22-48,948.68

Finding the Fourth Proportional to 154,121.48, 231,190.22 and 48,948.68

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Solution

The fourth proportional to 154,121.48, 231,190.22 and 48,948.68 is: 73,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,121.48 : 231,190.22 = 48,948.68 : x
  2. Step 2: Convert to fraction form
    154,121.48/231,190.22 = 48,948.68/x
  3. Step 3: Cross multiply
    154,121.48x = 231,190.22 × 48,948.68
  4. Step 4: Simplify right side
    154,121.48x = 11,316,456,097.91
  5. Step 5: Solve for x
    x = 11,316,456,097.91/154,121.48
  6. Step 6: Final answer
    x = 73,425.56

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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.