Home / 154,620.80-231,964.26-48,002.42

Finding the Fourth Proportional to 154,620.80, 231,964.26 and 48,002.42

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Solution

The fourth proportional to 154,620.80, 231,964.26 and 48,002.42 is: 72,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,620.80 : 231,964.26 = 48,002.42 : x
  2. Step 2: Convert to fraction form
    154,620.80/231,964.26 = 48,002.42/x
  3. Step 3: Cross multiply
    154,620.80x = 231,964.26 × 48,002.42
  4. Step 4: Simplify right side
    154,620.80x = 11,134,845,833.51
  5. Step 5: Solve for x
    x = 11,134,845,833.51/154,620.80
  6. Step 6: Final answer
    x = 72,013.89

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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.