Home / 190,672.90-263,063.43-108,942.51

Finding the Fourth Proportional to 190,672.90, 263,063.43 and 108,942.51

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Solution

The fourth proportional to 190,672.90, 263,063.43 and 108,942.51 is: 150,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,672.90 : 263,063.43 = 108,942.51 : x
  2. Step 2: Convert to fraction form
    190,672.90/263,063.43 = 108,942.51/x
  3. Step 3: Cross multiply
    190,672.90x = 263,063.43 × 108,942.51
  4. Step 4: Simplify right side
    190,672.90x = 28,658,789,808.70
  5. Step 5: Solve for x
    x = 28,658,789,808.70/190,672.90
  6. Step 6: Final answer
    x = 150,303.42

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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.