Home / 154,578.96-231,926.76-54,735.12

Finding the Fourth Proportional to 154,578.96, 231,926.76 and 54,735.12

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Solution

The fourth proportional to 154,578.96, 231,926.76 and 54,735.12 is: 82,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,578.96 : 231,926.76 = 54,735.12 : x
  2. Step 2: Convert to fraction form
    154,578.96/231,926.76 = 54,735.12/x
  3. Step 3: Cross multiply
    154,578.96x = 231,926.76 × 54,735.12
  4. Step 4: Simplify right side
    154,578.96x = 12,694,539,039.81
  5. Step 5: Solve for x
    x = 12,694,539,039.81/154,578.96
  6. Step 6: Final answer
    x = 82,123.33

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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.