Home / 175,183.43-261,815.17-127,898.10

Finding the Fourth Proportional to 175,183.43, 261,815.17 and 127,898.10

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Solution

The fourth proportional to 175,183.43, 261,815.17 and 127,898.10 is: 191,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,183.43 : 261,815.17 = 127,898.10 : x
  2. Step 2: Convert to fraction form
    175,183.43/261,815.17 = 127,898.10/x
  3. Step 3: Cross multiply
    175,183.43x = 261,815.17 × 127,898.10
  4. Step 4: Simplify right side
    175,183.43x = 33,485,660,845.61
  5. Step 5: Solve for x
    x = 33,485,660,845.61/175,183.43
  6. Step 6: Final answer
    x = 191,146.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.