Home / 190,151.82-262,408.61-102,936.69

Finding the Fourth Proportional to 190,151.82, 262,408.61 and 102,936.69

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Solution

The fourth proportional to 190,151.82, 262,408.61 and 102,936.69 is: 142,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,151.82 : 262,408.61 = 102,936.69 : x
  2. Step 2: Convert to fraction form
    190,151.82/262,408.61 = 102,936.69/x
  3. Step 3: Cross multiply
    190,151.82x = 262,408.61 × 102,936.69
  4. Step 4: Simplify right side
    190,151.82x = 27,011,473,998.24
  5. Step 5: Solve for x
    x = 27,011,473,998.24/190,151.82
  6. Step 6: Final answer
    x = 142,052.15

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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.