Home / 226,301.80-339,647.10-100,136.20

Finding the Fourth Proportional to 226,301.80, 339,647.10 and 100,136.20

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Solution

The fourth proportional to 226,301.80, 339,647.10 and 100,136.20 is: 150,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,301.80 : 339,647.10 = 100,136.20 : x
  2. Step 2: Convert to fraction form
    226,301.80/339,647.10 = 100,136.20/x
  3. Step 3: Cross multiply
    226,301.80x = 339,647.10 × 100,136.20
  4. Step 4: Simplify right side
    226,301.80x = 34,010,969,935.02
  5. Step 5: Solve for x
    x = 34,010,969,935.02/226,301.80
  6. Step 6: Final answer
    x = 150,290.32

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1.5x scale

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.