Home / 154,558.78-231,771.33-53,367.50

Finding the Fourth Proportional to 154,558.78, 231,771.33 and 53,367.50

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Solution

The fourth proportional to 154,558.78, 231,771.33 and 53,367.50 is: 80,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,558.78 : 231,771.33 = 53,367.50 : x
  2. Step 2: Convert to fraction form
    154,558.78/231,771.33 = 53,367.50/x
  3. Step 3: Cross multiply
    154,558.78x = 231,771.33 × 53,367.50
  4. Step 4: Simplify right side
    154,558.78x = 12,369,057,033.20
  5. Step 5: Solve for x
    x = 12,369,057,033.20/154,558.78
  6. Step 6: Final answer
    x = 80,028.18

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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.