Home / 281,780.08-422,734.90-92,246.56

Finding the Fourth Proportional to 281,780.08, 422,734.90 and 92,246.56

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Solution

The fourth proportional to 281,780.08, 422,734.90 and 92,246.56 is: 138,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,780.08 : 422,734.90 = 92,246.56 : x
  2. Step 2: Convert to fraction form
    281,780.08/422,734.90 = 92,246.56/x
  3. Step 3: Cross multiply
    281,780.08x = 422,734.90 × 92,246.56
  4. Step 4: Simplify right side
    281,780.08x = 38,995,840,316.94
  5. Step 5: Solve for x
    x = 38,995,840,316.94/281,780.08
  6. Step 6: Final answer
    x = 138,391.05

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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.