Home / 126,918.30-174,792.15-124,163.22

Finding the Fourth Proportional to 126,918.30, 174,792.15 and 124,163.22

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Solution

The fourth proportional to 126,918.30, 174,792.15 and 124,163.22 is: 170,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918.30 : 174,792.15 = 124,163.22 : x
  2. Step 2: Convert to fraction form
    126,918.30/174,792.15 = 124,163.22/x
  3. Step 3: Cross multiply
    126,918.30x = 174,792.15 × 124,163.22
  4. Step 4: Simplify right side
    126,918.30x = 21,702,756,174.72
  5. Step 5: Solve for x
    x = 21,702,756,174.72/126,918.30
  6. Step 6: Final answer
    x = 170,997.85

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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.