Home / 146,026.42-219,039.63-57,321.70

Finding the Fourth Proportional to 146,026.42, 219,039.63 and 57,321.70

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Solution

The fourth proportional to 146,026.42, 219,039.63 and 57,321.70 is: 85,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,026.42 : 219,039.63 = 57,321.70 : x
  2. Step 2: Convert to fraction form
    146,026.42/219,039.63 = 57,321.70/x
  3. Step 3: Cross multiply
    146,026.42x = 219,039.63 × 57,321.70
  4. Step 4: Simplify right side
    146,026.42x = 12,555,723,958.97
  5. Step 5: Solve for x
    x = 12,555,723,958.97/146,026.42
  6. Step 6: Final answer
    x = 85,982.55

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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.