Home / 165,201.62-247,820.38-52,855.43

Finding the Fourth Proportional to 165,201.62, 247,820.38 and 52,855.43

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Solution

The fourth proportional to 165,201.62, 247,820.38 and 52,855.43 is: 79,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,201.62 : 247,820.38 = 52,855.43 : x
  2. Step 2: Convert to fraction form
    165,201.62/247,820.38 = 52,855.43/x
  3. Step 3: Cross multiply
    165,201.62x = 247,820.38 × 52,855.43
  4. Step 4: Simplify right side
    165,201.62x = 13,098,651,376.42
  5. Step 5: Solve for x
    x = 13,098,651,376.42/165,201.62
  6. Step 6: Final answer
    x = 79,288.88

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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.