Home / 281,908.18-422,854.08-104,411.26

Finding the Fourth Proportional to 281,908.18, 422,854.08 and 104,411.26

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Solution

The fourth proportional to 281,908.18, 422,854.08 and 104,411.26 is: 156,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,908.18 : 422,854.08 = 104,411.26 : x
  2. Step 2: Convert to fraction form
    281,908.18/422,854.08 = 104,411.26/x
  3. Step 3: Cross multiply
    281,908.18x = 422,854.08 × 104,411.26
  4. Step 4: Simplify right side
    281,908.18x = 44,150,727,288.94
  5. Step 5: Solve for x
    x = 44,150,727,288.94/281,908.18
  6. Step 6: Final answer
    x = 156,613.86

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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.