Home / 127,696.97-191,479.83-68,582.36

Finding the Fourth Proportional to 127,696.97, 191,479.83 and 68,582.36

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Solution

The fourth proportional to 127,696.97, 191,479.83 and 68,582.36 is: 102,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,696.97 : 191,479.83 = 68,582.36 : x
  2. Step 2: Convert to fraction form
    127,696.97/191,479.83 = 68,582.36/x
  3. Step 3: Cross multiply
    127,696.97x = 191,479.83 × 68,582.36
  4. Step 4: Simplify right side
    127,696.97x = 13,132,138,633.80
  5. Step 5: Solve for x
    x = 13,132,138,633.80/127,696.97
  6. Step 6: Final answer
    x = 102,838.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.