Home / 281,899.32-422,826.92-79,487.25

Finding the Fourth Proportional to 281,899.32, 422,826.92 and 79,487.25

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Solution

The fourth proportional to 281,899.32, 422,826.92 and 79,487.25 is: 119,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,899.32 : 422,826.92 = 79,487.25 : x
  2. Step 2: Convert to fraction form
    281,899.32/422,826.92 = 79,487.25/x
  3. Step 3: Cross multiply
    281,899.32x = 422,826.92 × 79,487.25
  4. Step 4: Simplify right side
    281,899.32x = 33,609,349,096.77
  5. Step 5: Solve for x
    x = 33,609,349,096.77/281,899.32
  6. Step 6: Final answer
    x = 119,224.65

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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.