Home / 195,921.64-269,891.94-142,048.36

Finding the Fourth Proportional to 195,921.64, 269,891.94 and 142,048.36

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Solution

The fourth proportional to 195,921.64, 269,891.94 and 142,048.36 is: 195,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921.64 : 269,891.94 = 142,048.36 : x
  2. Step 2: Convert to fraction form
    195,921.64/269,891.94 = 142,048.36/x
  3. Step 3: Cross multiply
    195,921.64x = 269,891.94 × 142,048.36
  4. Step 4: Simplify right side
    195,921.64x = 38,337,707,454.22
  5. Step 5: Solve for x
    x = 38,337,707,454.22/195,921.64
  6. Step 6: Final answer
    x = 195,678.78

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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.