Home / 148,138.11-222,157.80-63,845.64

Finding the Fourth Proportional to 148,138.11, 222,157.80 and 63,845.64

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Solution

The fourth proportional to 148,138.11, 222,157.80 and 63,845.64 is: 95,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,138.11 : 222,157.80 = 63,845.64 : x
  2. Step 2: Convert to fraction form
    148,138.11/222,157.80 = 63,845.64/x
  3. Step 3: Cross multiply
    148,138.11x = 222,157.80 × 63,845.64
  4. Step 4: Simplify right side
    148,138.11x = 14,183,806,921.99
  5. Step 5: Solve for x
    x = 14,183,806,921.99/148,138.11
  6. Step 6: Final answer
    x = 95,747.18

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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.