Home / 190,252.70-262,546.62-105,369.56

Finding the Fourth Proportional to 190,252.70, 262,546.62 and 105,369.56

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Solution

The fourth proportional to 190,252.70, 262,546.62 and 105,369.56 is: 145,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,252.70 : 262,546.62 = 105,369.56 : x
  2. Step 2: Convert to fraction form
    190,252.70/262,546.62 = 105,369.56/x
  3. Step 3: Cross multiply
    190,252.70x = 262,546.62 × 105,369.56
  4. Step 4: Simplify right side
    190,252.70x = 27,664,421,828.89
  5. Step 5: Solve for x
    x = 27,664,421,828.89/190,252.70
  6. Step 6: Final answer
    x = 145,408.83

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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.