Home / 281,646.55-422,229.25-104,120.47

Finding the Fourth Proportional to 281,646.55, 422,229.25 and 104,120.47

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Solution

The fourth proportional to 281,646.55, 422,229.25 and 104,120.47 is: 156,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,646.55 : 422,229.25 = 104,120.47 : x
  2. Step 2: Convert to fraction form
    281,646.55/422,229.25 = 104,120.47/x
  3. Step 3: Cross multiply
    281,646.55x = 422,229.25 × 104,120.47
  4. Step 4: Simplify right side
    281,646.55x = 43,962,707,957.75
  5. Step 5: Solve for x
    x = 43,962,707,957.75/281,646.55
  6. Step 6: Final answer
    x = 156,091.77

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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.