Home / 190,255.29-262,551.64-109,682.43

Finding the Fourth Proportional to 190,255.29, 262,551.64 and 109,682.43

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Solution

The fourth proportional to 190,255.29, 262,551.64 and 109,682.43 is: 151,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,255.29 : 262,551.64 = 109,682.43 : x
  2. Step 2: Convert to fraction form
    190,255.29/262,551.64 = 109,682.43/x
  3. Step 3: Cross multiply
    190,255.29x = 262,551.64 × 109,682.43
  4. Step 4: Simplify right side
    190,255.29x = 28,797,301,875.69
  5. Step 5: Solve for x
    x = 28,797,301,875.69/190,255.29
  6. Step 6: Final answer
    x = 151,361.37

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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.