Home / 106,514.31-159,761.75-98,161.59

Finding the Fourth Proportional to 106,514.31, 159,761.75 and 98,161.59

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Solution

The fourth proportional to 106,514.31, 159,761.75 and 98,161.59 is: 147,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.31 : 159,761.75 = 98,161.59 : x
  2. Step 2: Convert to fraction form
    106,514.31/159,761.75 = 98,161.59/x
  3. Step 3: Cross multiply
    106,514.31x = 159,761.75 × 98,161.59
  4. Step 4: Simplify right side
    106,514.31x = 15,682,466,910.37
  5. Step 5: Solve for x
    x = 15,682,466,910.37/106,514.31
  6. Step 6: Final answer
    x = 147,233.43

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1.5x scale

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.