Home / 154,604.52-231,939.89-47,986.25

Finding the Fourth Proportional to 154,604.52, 231,939.89 and 47,986.25

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Solution

The fourth proportional to 154,604.52, 231,939.89 and 47,986.25 is: 71,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,604.52 : 231,939.89 = 47,986.25 : x
  2. Step 2: Convert to fraction form
    154,604.52/231,939.89 = 47,986.25/x
  3. Step 3: Cross multiply
    154,604.52x = 231,939.89 × 47,986.25
  4. Step 4: Simplify right side
    154,604.52x = 11,129,924,146.88
  5. Step 5: Solve for x
    x = 11,129,924,146.88/154,604.52
  6. Step 6: Final answer
    x = 71,989.64

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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.