Home / 190,696.41-263,166.98-105,821.37

Finding the Fourth Proportional to 190,696.41, 263,166.98 and 105,821.37

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Solution

The fourth proportional to 190,696.41, 263,166.98 and 105,821.37 is: 146,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,696.41 : 263,166.98 = 105,821.37 : x
  2. Step 2: Convert to fraction form
    190,696.41/263,166.98 = 105,821.37/x
  3. Step 3: Cross multiply
    190,696.41x = 263,166.98 × 105,821.37
  4. Step 4: Simplify right side
    190,696.41x = 27,848,689,833.26
  5. Step 5: Solve for x
    x = 27,848,689,833.26/190,696.41
  6. Step 6: Final answer
    x = 146,036.78

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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.