Home / 112,481.97-168,722.92-103,095.60

Finding the Fourth Proportional to 112,481.97, 168,722.92 and 103,095.60

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Solution

The fourth proportional to 112,481.97, 168,722.92 and 103,095.60 is: 154,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,481.97 : 168,722.92 = 103,095.60 : x
  2. Step 2: Convert to fraction form
    112,481.97/168,722.92 = 103,095.60/x
  3. Step 3: Cross multiply
    112,481.97x = 168,722.92 × 103,095.60
  4. Step 4: Simplify right side
    112,481.97x = 17,394,590,671.15
  5. Step 5: Solve for x
    x = 17,394,590,671.15/112,481.97
  6. Step 6: Final answer
    x = 154,643.37

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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.