Home / 281,828.36-422,736.26-68,597.18

Finding the Fourth Proportional to 281,828.36, 422,736.26 and 68,597.18

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Solution

The fourth proportional to 281,828.36, 422,736.26 and 68,597.18 is: 102,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,828.36 : 422,736.26 = 68,597.18 : x
  2. Step 2: Convert to fraction form
    281,828.36/422,736.26 = 68,597.18/x
  3. Step 3: Cross multiply
    281,828.36x = 422,736.26 × 68,597.18
  4. Step 4: Simplify right side
    281,828.36x = 28,998,515,319.75
  5. Step 5: Solve for x
    x = 28,998,515,319.75/281,828.36
  6. Step 6: Final answer
    x = 102,894.24

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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.