Home / 141,972.54-195,943.31-91,042.77

Finding the Fourth Proportional to 141,972.54, 195,943.31 and 91,042.77

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Solution

The fourth proportional to 141,972.54, 195,943.31 and 91,042.77 is: 125,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,972.54 : 195,943.31 = 91,042.77 : x
  2. Step 2: Convert to fraction form
    141,972.54/195,943.31 = 91,042.77/x
  3. Step 3: Cross multiply
    141,972.54x = 195,943.31 × 91,042.77
  4. Step 4: Simplify right side
    141,972.54x = 17,839,222,838.47
  5. Step 5: Solve for x
    x = 17,839,222,838.47/141,972.54
  6. Step 6: Final answer
    x = 125,652.63

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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.