Home / 281,784.08-422,740.92-92,250.56

Finding the Fourth Proportional to 281,784.08, 422,740.92 and 92,250.56

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Solution

The fourth proportional to 281,784.08, 422,740.92 and 92,250.56 is: 138,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,784.08 : 422,740.92 = 92,250.56 : x
  2. Step 2: Convert to fraction form
    281,784.08/422,740.92 = 92,250.56/x
  3. Step 3: Cross multiply
    281,784.08x = 422,740.92 × 92,250.56
  4. Step 4: Simplify right side
    281,784.08x = 38,998,086,604.92
  5. Step 5: Solve for x
    x = 38,998,086,604.92/281,784.08
  6. Step 6: Final answer
    x = 138,397.05

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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.