Home / 281,779.08-422,733.40-92,245.56

Finding the Fourth Proportional to 281,779.08, 422,733.40 and 92,245.56

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Solution

The fourth proportional to 281,779.08, 422,733.40 and 92,245.56 is: 138,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,779.08 : 422,733.40 = 92,245.56 : x
  2. Step 2: Convert to fraction form
    281,779.08/422,733.40 = 92,245.56/x
  3. Step 3: Cross multiply
    281,779.08x = 422,733.40 × 92,245.56
  4. Step 4: Simplify right side
    281,779.08x = 38,995,279,213.70
  5. Step 5: Solve for x
    x = 38,995,279,213.70/281,779.08
  6. Step 6: Final answer
    x = 138,389.55

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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.