Home / 154,134.75-231,202.13-43,326.75

Finding the Fourth Proportional to 154,134.75, 231,202.13 and 43,326.75

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Solution

The fourth proportional to 154,134.75, 231,202.13 and 43,326.75 is: 64,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,134.75 : 231,202.13 = 43,326.75 : x
  2. Step 2: Convert to fraction form
    154,134.75/231,202.13 = 43,326.75/x
  3. Step 3: Cross multiply
    154,134.75x = 231,202.13 × 43,326.75
  4. Step 4: Simplify right side
    154,134.75x = 10,017,236,885.98
  5. Step 5: Solve for x
    x = 10,017,236,885.98/154,134.75
  6. Step 6: Final answer
    x = 64,990.13

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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.