Home / 146,540.20-219,810.30-136,042.60

Finding the Fourth Proportional to 146,540.20, 219,810.30 and 136,042.60

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Solution

The fourth proportional to 146,540.20, 219,810.30 and 136,042.60 is: 204,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.20 : 219,810.30 = 136,042.60 : x
  2. Step 2: Convert to fraction form
    146,540.20/219,810.30 = 136,042.60/x
  3. Step 3: Cross multiply
    146,540.20x = 219,810.30 × 136,042.60
  4. Step 4: Simplify right side
    146,540.20x = 29,903,564,718.78
  5. Step 5: Solve for x
    x = 29,903,564,718.78/146,540.20
  6. Step 6: Final answer
    x = 204,063.90

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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.