Home / 201,847.20-278,548.92-117,013.44

Finding the Fourth Proportional to 201,847.20, 278,548.92 and 117,013.44

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Solution

The fourth proportional to 201,847.20, 278,548.92 and 117,013.44 is: 161,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,847.20 : 278,548.92 = 117,013.44 : x
  2. Step 2: Convert to fraction form
    201,847.20/278,548.92 = 117,013.44/x
  3. Step 3: Cross multiply
    201,847.20x = 278,548.92 × 117,013.44
  4. Step 4: Simplify right side
    201,847.20x = 32,593,967,337.48
  5. Step 5: Solve for x
    x = 32,593,967,337.48/201,847.20
  6. Step 6: Final answer
    x = 161,478.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.