Home / 148,486.20-222,756.30-48,618.60

Finding the Fourth Proportional to 148,486.20, 222,756.30 and 48,618.60

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Solution

The fourth proportional to 148,486.20, 222,756.30 and 48,618.60 is: 72,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,486.20 : 222,756.30 = 48,618.60 : x
  2. Step 2: Convert to fraction form
    148,486.20/222,756.30 = 48,618.60/x
  3. Step 3: Cross multiply
    148,486.20x = 222,756.30 × 48,618.60
  4. Step 4: Simplify right side
    148,486.20x = 10,830,099,447.18
  5. Step 5: Solve for x
    x = 10,830,099,447.18/148,486.20
  6. Step 6: Final answer
    x = 72,936.74

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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.