Home / 141,494.77-195,277.09-81,073.43

Finding the Fourth Proportional to 141,494.77, 195,277.09 and 81,073.43

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Solution

The fourth proportional to 141,494.77, 195,277.09 and 81,073.43 is: 111,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,494.77 : 195,277.09 = 81,073.43 : x
  2. Step 2: Convert to fraction form
    141,494.77/195,277.09 = 81,073.43/x
  3. Step 3: Cross multiply
    141,494.77x = 195,277.09 × 81,073.43
  4. Step 4: Simplify right side
    141,494.77x = 15,831,783,486.72
  5. Step 5: Solve for x
    x = 15,831,783,486.72/141,494.77
  6. Step 6: Final answer
    x = 111,889.53

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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.