Home / 107,986.90-161,790.09-96,245.14

Finding the Fourth Proportional to 107,986.90, 161,790.09 and 96,245.14

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Solution

The fourth proportional to 107,986.90, 161,790.09 and 96,245.14 is: 144,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986.90 : 161,790.09 = 96,245.14 : x
  2. Step 2: Convert to fraction form
    107,986.90/161,790.09 = 96,245.14/x
  3. Step 3: Cross multiply
    107,986.90x = 161,790.09 × 96,245.14
  4. Step 4: Simplify right side
    107,986.90x = 15,571,509,862.66
  5. Step 5: Solve for x
    x = 15,571,509,862.66/107,986.90
  6. Step 6: Final answer
    x = 144,198.14

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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.