Home / 219,076.92-328,627.78-106,853.15

Finding the Fourth Proportional to 219,076.92, 328,627.78 and 106,853.15

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Solution

The fourth proportional to 219,076.92, 328,627.78 and 106,853.15 is: 160,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,076.92 : 328,627.78 = 106,853.15 : x
  2. Step 2: Convert to fraction form
    219,076.92/328,627.78 = 106,853.15/x
  3. Step 3: Cross multiply
    219,076.92x = 328,627.78 × 106,853.15
  4. Step 4: Simplify right side
    219,076.92x = 35,114,914,024.94
  5. Step 5: Solve for x
    x = 35,114,914,024.94/219,076.92
  6. Step 6: Final answer
    x = 160,285.78

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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.