Home / 281,895.12-422,785.26-104,359.92

Finding the Fourth Proportional to 281,895.12, 422,785.26 and 104,359.92

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Solution

The fourth proportional to 281,895.12, 422,785.26 and 104,359.92 is: 156,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,895.12 : 422,785.26 = 104,359.92 : x
  2. Step 2: Convert to fraction form
    281,895.12/422,785.26 = 104,359.92/x
  3. Step 3: Cross multiply
    281,895.12x = 422,785.26 × 104,359.92
  4. Step 4: Simplify right side
    281,895.12x = 44,121,835,910.78
  5. Step 5: Solve for x
    x = 44,121,835,910.78/281,895.12
  6. Step 6: Final answer
    x = 156,518.62

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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.