Home / 154,650.69-231,910.38-54,836.01

Finding the Fourth Proportional to 154,650.69, 231,910.38 and 54,836.01

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Solution

The fourth proportional to 154,650.69, 231,910.38 and 54,836.01 is: 82,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,650.69 : 231,910.38 = 54,836.01 : x
  2. Step 2: Convert to fraction form
    154,650.69/231,910.38 = 54,836.01/x
  3. Step 3: Cross multiply
    154,650.69x = 231,910.38 × 54,836.01
  4. Step 4: Simplify right side
    154,650.69x = 12,717,039,916.78
  5. Step 5: Solve for x
    x = 12,717,039,916.78/154,650.69
  6. Step 6: Final answer
    x = 82,230.74

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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.