Home / 148,431.31-222,121.40-92,297.86

Finding the Fourth Proportional to 148,431.31, 222,121.40 and 92,297.86

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Solution

The fourth proportional to 148,431.31, 222,121.40 and 92,297.86 is: 138,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,431.31 : 222,121.40 = 92,297.86 : x
  2. Step 2: Convert to fraction form
    148,431.31/222,121.40 = 92,297.86/x
  3. Step 3: Cross multiply
    148,431.31x = 222,121.40 × 92,297.86
  4. Step 4: Simplify right side
    148,431.31x = 20,501,328,863.41
  5. Step 5: Solve for x
    x = 20,501,328,863.41/148,431.31
  6. Step 6: Final answer
    x = 138,119.98

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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.