Home / 201,927.42-302,891.13-68,739.12

Finding the Fourth Proportional to 201,927.42, 302,891.13 and 68,739.12

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Solution

The fourth proportional to 201,927.42, 302,891.13 and 68,739.12 is: 103,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,927.42 : 302,891.13 = 68,739.12 : x
  2. Step 2: Convert to fraction form
    201,927.42/302,891.13 = 68,739.12/x
  3. Step 3: Cross multiply
    201,927.42x = 302,891.13 × 68,739.12
  4. Step 4: Simplify right side
    201,927.42x = 20,820,469,732.01
  5. Step 5: Solve for x
    x = 20,820,469,732.01/201,927.42
  6. Step 6: Final answer
    x = 103,108.68

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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.