Home / 190,537.90-262,923.35-109,991.37

Finding the Fourth Proportional to 190,537.90, 262,923.35 and 109,991.37

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Solution

The fourth proportional to 190,537.90, 262,923.35 and 109,991.37 is: 151,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,537.90 : 262,923.35 = 109,991.37 : x
  2. Step 2: Convert to fraction form
    190,537.90/262,923.35 = 109,991.37/x
  3. Step 3: Cross multiply
    190,537.90x = 262,923.35 × 109,991.37
  4. Step 4: Simplify right side
    190,537.90x = 28,919,299,786.72
  5. Step 5: Solve for x
    x = 28,919,299,786.72/190,537.90
  6. Step 6: Final answer
    x = 151,777.15

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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.