Home / 118,554.23-163,324.86-82,680.14

Finding the Fourth Proportional to 118,554.23, 163,324.86 and 82,680.14

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Solution

The fourth proportional to 118,554.23, 163,324.86 and 82,680.14 is: 113,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,554.23 : 163,324.86 = 82,680.14 : x
  2. Step 2: Convert to fraction form
    118,554.23/163,324.86 = 82,680.14/x
  3. Step 3: Cross multiply
    118,554.23x = 163,324.86 × 82,680.14
  4. Step 4: Simplify right side
    118,554.23x = 13,503,722,388.54
  5. Step 5: Solve for x
    x = 13,503,722,388.54/118,554.23
  6. Step 6: Final answer
    x = 113,903.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.