Home / 142,042.92-195,908.32-91,060.44

Finding the Fourth Proportional to 142,042.92, 195,908.32 and 91,060.44

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Solution

The fourth proportional to 142,042.92, 195,908.32 and 91,060.44 is: 125,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,042.92 : 195,908.32 = 91,060.44 : x
  2. Step 2: Convert to fraction form
    142,042.92/195,908.32 = 91,060.44/x
  3. Step 3: Cross multiply
    142,042.92x = 195,908.32 × 91,060.44
  4. Step 4: Simplify right side
    142,042.92x = 17,839,497,818.86
  5. Step 5: Solve for x
    x = 17,839,497,818.86/142,042.92
  6. Step 6: Final answer
    x = 125,592.31

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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.