Home / 281,788.26-422,485.47-104,272.17

Finding the Fourth Proportional to 281,788.26, 422,485.47 and 104,272.17

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Solution

The fourth proportional to 281,788.26, 422,485.47 and 104,272.17 is: 156,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,788.26 : 422,485.47 = 104,272.17 : x
  2. Step 2: Convert to fraction form
    281,788.26/422,485.47 = 104,272.17/x
  3. Step 3: Cross multiply
    281,788.26x = 422,485.47 × 104,272.17
  4. Step 4: Simplify right side
    281,788.26x = 44,053,476,750.37
  5. Step 5: Solve for x
    x = 44,053,476,750.37/281,788.26
  6. Step 6: Final answer
    x = 156,335.39

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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.