Home / 118,896.10-164,073.07-65,179.28

Finding the Fourth Proportional to 118,896.10, 164,073.07 and 65,179.28

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Solution

The fourth proportional to 118,896.10, 164,073.07 and 65,179.28 is: 89,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.10 : 164,073.07 = 65,179.28 : x
  2. Step 2: Convert to fraction form
    118,896.10/164,073.07 = 65,179.28/x
  3. Step 3: Cross multiply
    118,896.10x = 164,073.07 × 65,179.28
  4. Step 4: Simplify right side
    118,896.10x = 10,694,164,878.33
  5. Step 5: Solve for x
    x = 10,694,164,878.33/118,896.10
  6. Step 6: Final answer
    x = 89,945.46

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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.