Home / 281,628.30-422,468.34-92,089.65

Finding the Fourth Proportional to 281,628.30, 422,468.34 and 92,089.65

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Solution

The fourth proportional to 281,628.30, 422,468.34 and 92,089.65 is: 138,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,628.30 : 422,468.34 = 92,089.65 : x
  2. Step 2: Convert to fraction form
    281,628.30/422,468.34 = 92,089.65/x
  3. Step 3: Cross multiply
    281,628.30x = 422,468.34 × 92,089.65
  4. Step 4: Simplify right side
    281,628.30x = 38,904,961,566.68
  5. Step 5: Solve for x
    x = 38,904,961,566.68/281,628.30
  6. Step 6: Final answer
    x = 138,142.94

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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.