Home / 146,107.45-219,003.76-71,278.03

Finding the Fourth Proportional to 146,107.45, 219,003.76 and 71,278.03

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Solution

The fourth proportional to 146,107.45, 219,003.76 and 71,278.03 is: 106,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,107.45 : 219,003.76 = 71,278.03 : x
  2. Step 2: Convert to fraction form
    146,107.45/219,003.76 = 71,278.03/x
  3. Step 3: Cross multiply
    146,107.45x = 219,003.76 × 71,278.03
  4. Step 4: Simplify right side
    146,107.45x = 15,610,156,575.39
  5. Step 5: Solve for x
    x = 15,610,156,575.39/146,107.45
  6. Step 6: Final answer
    x = 106,840.25

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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.