Home / 154,033.50-231,076.52-68,675.33

Finding the Fourth Proportional to 154,033.50, 231,076.52 and 68,675.33

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Solution

The fourth proportional to 154,033.50, 231,076.52 and 68,675.33 is: 103,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.50 : 231,076.52 = 68,675.33 : x
  2. Step 2: Convert to fraction form
    154,033.50/231,076.52 = 68,675.33/x
  3. Step 3: Cross multiply
    154,033.50x = 231,076.52 × 68,675.33
  4. Step 4: Simplify right side
    154,033.50x = 15,869,256,266.25
  5. Step 5: Solve for x
    x = 15,869,256,266.25/154,033.50
  6. Step 6: Final answer
    x = 103,024.71

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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.