Home / 148,487.20-222,757.80-48,619.60

Finding the Fourth Proportional to 148,487.20, 222,757.80 and 48,619.60

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Solution

The fourth proportional to 148,487.20, 222,757.80 and 48,619.60 is: 72,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.20 : 222,757.80 = 48,619.60 : x
  2. Step 2: Convert to fraction form
    148,487.20/222,757.80 = 48,619.60/x
  3. Step 3: Cross multiply
    148,487.20x = 222,757.80 × 48,619.60
  4. Step 4: Simplify right side
    148,487.20x = 10,830,395,132.88
  5. Step 5: Solve for x
    x = 10,830,395,132.88/148,487.20
  6. Step 6: Final answer
    x = 72,938.24

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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.