Home / 268,576.29-402,873.44-81,587.25

Finding the Fourth Proportional to 268,576.29, 402,873.44 and 81,587.25

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Solution

The fourth proportional to 268,576.29, 402,873.44 and 81,587.25 is: 122,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576.29 : 402,873.44 = 81,587.25 : x
  2. Step 2: Convert to fraction form
    268,576.29/402,873.44 = 81,587.25/x
  3. Step 3: Cross multiply
    268,576.29x = 402,873.44 × 81,587.25
  4. Step 4: Simplify right side
    268,576.29x = 32,869,335,659.70
  5. Step 5: Solve for x
    x = 32,869,335,659.70/268,576.29
  6. Step 6: Final answer
    x = 122,383.61

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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.