Home / 190,647.63-263,092.93-105,764.69

Finding the Fourth Proportional to 190,647.63, 263,092.93 and 105,764.69

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Solution

The fourth proportional to 190,647.63, 263,092.93 and 105,764.69 is: 145,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,647.63 : 263,092.93 = 105,764.69 : x
  2. Step 2: Convert to fraction form
    190,647.63/263,092.93 = 105,764.69/x
  3. Step 3: Cross multiply
    190,647.63x = 263,092.93 × 105,764.69
  4. Step 4: Simplify right side
    190,647.63x = 27,825,942,575.96
  5. Step 5: Solve for x
    x = 27,825,942,575.96/190,647.63
  6. Step 6: Final answer
    x = 145,954.83

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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.