Home / 154,033.31-231,076.23-68,675.13

Finding the Fourth Proportional to 154,033.31, 231,076.23 and 68,675.13

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Solution

The fourth proportional to 154,033.31, 231,076.23 and 68,675.13 is: 103,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.31 : 231,076.23 = 68,675.13 : x
  2. Step 2: Convert to fraction form
    154,033.31/231,076.23 = 68,675.13/x
  3. Step 3: Cross multiply
    154,033.31x = 231,076.23 × 68,675.13
  4. Step 4: Simplify right side
    154,033.31x = 15,869,190,712.85
  5. Step 5: Solve for x
    x = 15,869,190,712.85/154,033.31
  6. Step 6: Final answer
    x = 103,024.41

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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.