Home / 141,580.36-195,352.58-81,169.95

Finding the Fourth Proportional to 141,580.36, 195,352.58 and 81,169.95

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Solution

The fourth proportional to 141,580.36, 195,352.58 and 81,169.95 is: 111,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,580.36 : 195,352.58 = 81,169.95 : x
  2. Step 2: Convert to fraction form
    141,580.36/195,352.58 = 81,169.95/x
  3. Step 3: Cross multiply
    141,580.36x = 195,352.58 × 81,169.95
  4. Step 4: Simplify right side
    141,580.36x = 15,856,759,629.89
  5. Step 5: Solve for x
    x = 15,856,759,629.89/141,580.36
  6. Step 6: Final answer
    x = 111,998.30

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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.