Home / 154,033.56-231,076.61-68,675.38

Finding the Fourth Proportional to 154,033.56, 231,076.61 and 68,675.38

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Solution

The fourth proportional to 154,033.56, 231,076.61 and 68,675.38 is: 103,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.56 : 231,076.61 = 68,675.38 : x
  2. Step 2: Convert to fraction form
    154,033.56/231,076.61 = 68,675.38/x
  3. Step 3: Cross multiply
    154,033.56x = 231,076.61 × 68,675.38
  4. Step 4: Simplify right side
    154,033.56x = 15,869,274,235.18
  5. Step 5: Solve for x
    x = 15,869,274,235.18/154,033.56
  6. Step 6: Final answer
    x = 103,024.79

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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.