Home / 148,141.80-222,245.10-48,306.60

Finding the Fourth Proportional to 148,141.80, 222,245.10 and 48,306.60

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Solution

The fourth proportional to 148,141.80, 222,245.10 and 48,306.60 is: 72,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,141.80 : 222,245.10 = 48,306.60 : x
  2. Step 2: Convert to fraction form
    148,141.80/222,245.10 = 48,306.60/x
  3. Step 3: Cross multiply
    148,141.80x = 222,245.10 × 48,306.60
  4. Step 4: Simplify right side
    148,141.80x = 10,735,905,147.66
  5. Step 5: Solve for x
    x = 10,735,905,147.66/148,141.80
  6. Step 6: Final answer
    x = 72,470.47

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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.