Home / 190,257.38-262,551.96-105,372.62

Finding the Fourth Proportional to 190,257.38, 262,551.96 and 105,372.62

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Solution

The fourth proportional to 190,257.38, 262,551.96 and 105,372.62 is: 145,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,257.38 : 262,551.96 = 105,372.62 : x
  2. Step 2: Convert to fraction form
    190,257.38/262,551.96 = 105,372.62/x
  3. Step 3: Cross multiply
    190,257.38x = 262,551.96 × 105,372.62
  4. Step 4: Simplify right side
    190,257.38x = 27,665,786,598.58
  5. Step 5: Solve for x
    x = 27,665,786,598.58/190,257.38
  6. Step 6: Final answer
    x = 145,412.43

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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.