Home / 148,738.40-222,805.20-92,405.60

Finding the Fourth Proportional to 148,738.40, 222,805.20 and 92,405.60

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Solution

The fourth proportional to 148,738.40, 222,805.20 and 92,405.60 is: 138,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,738.40 : 222,805.20 = 92,405.60 : x
  2. Step 2: Convert to fraction form
    148,738.40/222,805.20 = 92,405.60/x
  3. Step 3: Cross multiply
    148,738.40x = 222,805.20 × 92,405.60
  4. Step 4: Simplify right side
    148,738.40x = 20,588,448,189.12
  5. Step 5: Solve for x
    x = 20,588,448,189.12/148,738.40
  6. Step 6: Final answer
    x = 138,420.53

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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.