Home / 141,960.97-195,905.73-81,535.51

Finding the Fourth Proportional to 141,960.97, 195,905.73 and 81,535.51

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Solution

The fourth proportional to 141,960.97, 195,905.73 and 81,535.51 is: 112,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,960.97 : 195,905.73 = 81,535.51 : x
  2. Step 2: Convert to fraction form
    141,960.97/195,905.73 = 81,535.51/x
  3. Step 3: Cross multiply
    141,960.97x = 195,905.73 × 81,535.51
  4. Step 4: Simplify right side
    141,960.97x = 15,973,273,607.47
  5. Step 5: Solve for x
    x = 15,973,273,607.47/141,960.97
  6. Step 6: Final answer
    x = 112,518.77

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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.