Home / 154,558.54-231,853.52-53,343.42

Finding the Fourth Proportional to 154,558.54, 231,853.52 and 53,343.42

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Solution

The fourth proportional to 154,558.54, 231,853.52 and 53,343.42 is: 80,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,558.54 : 231,853.52 = 53,343.42 : x
  2. Step 2: Convert to fraction form
    154,558.54/231,853.52 = 53,343.42/x
  3. Step 3: Cross multiply
    154,558.54x = 231,853.52 × 53,343.42
  4. Step 4: Simplify right side
    154,558.54x = 12,367,858,959.75
  5. Step 5: Solve for x
    x = 12,367,858,959.75/154,558.54
  6. Step 6: Final answer
    x = 80,020.55

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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.