Home / 158,735.31-238,139.33-68,793.12

Finding the Fourth Proportional to 158,735.31, 238,139.33 and 68,793.12

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Solution

The fourth proportional to 158,735.31, 238,139.33 and 68,793.12 is: 103,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,735.31 : 238,139.33 = 68,793.12 : x
  2. Step 2: Convert to fraction form
    158,735.31/238,139.33 = 68,793.12/x
  3. Step 3: Cross multiply
    158,735.31x = 238,139.33 × 68,793.12
  4. Step 4: Simplify right side
    158,735.31x = 16,382,347,505.41
  5. Step 5: Solve for x
    x = 16,382,347,505.41/158,735.31
  6. Step 6: Final answer
    x = 103,205.44

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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.