Home / 109,945.26-164,556.90-83,504.34

Finding the Fourth Proportional to 109,945.26, 164,556.90 and 83,504.34

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Solution

The fourth proportional to 109,945.26, 164,556.90 and 83,504.34 is: 124,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.26 : 164,556.90 = 83,504.34 : x
  2. Step 2: Convert to fraction form
    109,945.26/164,556.90 = 83,504.34/x
  3. Step 3: Cross multiply
    109,945.26x = 164,556.90 × 83,504.34
  4. Step 4: Simplify right side
    109,945.26x = 13,741,215,326.95
  5. Step 5: Solve for x
    x = 13,741,215,326.95/109,945.26
  6. Step 6: Final answer
    x = 124,982.34

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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.