Home / 190,739.94-263,252.61-105,884.34

Finding the Fourth Proportional to 190,739.94, 263,252.61 and 105,884.34

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Solution

The fourth proportional to 190,739.94, 263,252.61 and 105,884.34 is: 146,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,739.94 : 263,252.61 = 105,884.34 : x
  2. Step 2: Convert to fraction form
    190,739.94/263,252.61 = 105,884.34/x
  3. Step 3: Cross multiply
    190,739.94x = 263,252.61 × 105,884.34
  4. Step 4: Simplify right side
    190,739.94x = 27,874,328,863.13
  5. Step 5: Solve for x
    x = 27,874,328,863.13/190,739.94
  6. Step 6: Final answer
    x = 146,137.87

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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.