Home / 231,517.03-319,350.46-158,886.76

Finding the Fourth Proportional to 231,517.03, 319,350.46 and 158,886.76

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Solution

The fourth proportional to 231,517.03, 319,350.46 and 158,886.76 is: 219,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,517.03 : 319,350.46 = 158,886.76 : x
  2. Step 2: Convert to fraction form
    231,517.03/319,350.46 = 158,886.76/x
  3. Step 3: Cross multiply
    231,517.03x = 319,350.46 × 158,886.76
  4. Step 4: Simplify right side
    231,517.03x = 50,740,558,297.16
  5. Step 5: Solve for x
    x = 50,740,558,297.16/231,517.03
  6. Step 6: Final answer
    x = 219,165.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.