Home / 175,310.70-263,138.85-86,664.30

Finding the Fourth Proportional to 175,310.70, 263,138.85 and 86,664.30

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Solution

The fourth proportional to 175,310.70, 263,138.85 and 86,664.30 is: 130,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,310.70 : 263,138.85 = 86,664.30 : x
  2. Step 2: Convert to fraction form
    175,310.70/263,138.85 = 86,664.30/x
  3. Step 3: Cross multiply
    175,310.70x = 263,138.85 × 86,664.30
  4. Step 4: Simplify right side
    175,310.70x = 22,804,744,238.06
  5. Step 5: Solve for x
    x = 22,804,744,238.06/175,310.70
  6. Step 6: Final answer
    x = 130,081.87

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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.