Home / 351,646.20-527,469.30-185,758.20

Finding the Fourth Proportional to 351,646.20, 527,469.30 and 185,758.20

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Solution

The fourth proportional to 351,646.20, 527,469.30 and 185,758.20 is: 278,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,646.20 : 527,469.30 = 185,758.20 : x
  2. Step 2: Convert to fraction form
    351,646.20/527,469.30 = 185,758.20/x
  3. Step 3: Cross multiply
    351,646.20x = 527,469.30 × 185,758.20
  4. Step 4: Simplify right side
    351,646.20x = 97,981,747,723.26
  5. Step 5: Solve for x
    x = 97,981,747,723.26/351,646.20
  6. Step 6: Final answer
    x = 278,637.30

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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.