Home / 148,135.80-222,236.10-73,291.80

Finding the Fourth Proportional to 148,135.80, 222,236.10 and 73,291.80

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Solution

The fourth proportional to 148,135.80, 222,236.10 and 73,291.80 is: 109,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,135.80 : 222,236.10 = 73,291.80 : x
  2. Step 2: Convert to fraction form
    148,135.80/222,236.10 = 73,291.80/x
  3. Step 3: Cross multiply
    148,135.80x = 222,236.10 × 73,291.80
  4. Step 4: Simplify right side
    148,135.80x = 16,288,083,793.98
  5. Step 5: Solve for x
    x = 16,288,083,793.98/148,135.80
  6. Step 6: Final answer
    x = 109,953.73

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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.