Home / 148,105.21-222,180.87-48,242.18

Finding the Fourth Proportional to 148,105.21, 222,180.87 and 48,242.18

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Solution

The fourth proportional to 148,105.21, 222,180.87 and 48,242.18 is: 72,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,105.21 : 222,180.87 = 48,242.18 : x
  2. Step 2: Convert to fraction form
    148,105.21/222,180.87 = 48,242.18/x
  3. Step 3: Cross multiply
    148,105.21x = 222,180.87 × 48,242.18
  4. Step 4: Simplify right side
    148,105.21x = 10,718,490,259.46
  5. Step 5: Solve for x
    x = 10,718,490,259.46/148,105.21
  6. Step 6: Final answer
    x = 72,370.78

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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.