Home / 175,916.78-263,949.89-87,171.96

Finding the Fourth Proportional to 175,916.78, 263,949.89 and 87,171.96

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Solution

The fourth proportional to 175,916.78, 263,949.89 and 87,171.96 is: 130,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,916.78 : 263,949.89 = 87,171.96 : x
  2. Step 2: Convert to fraction form
    175,916.78/263,949.89 = 87,171.96/x
  3. Step 3: Cross multiply
    175,916.78x = 263,949.89 × 87,171.96
  4. Step 4: Simplify right side
    175,916.78x = 23,009,029,253.08
  5. Step 5: Solve for x
    x = 23,009,029,253.08/175,916.78
  6. Step 6: Final answer
    x = 130,794.97

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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.