Home / 190,126.82-285,470.58-106,051.25

Finding the Fourth Proportional to 190,126.82, 285,470.58 and 106,051.25

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Solution

The fourth proportional to 190,126.82, 285,470.58 and 106,051.25 is: 159,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,126.82 : 285,470.58 = 106,051.25 : x
  2. Step 2: Convert to fraction form
    190,126.82/285,470.58 = 106,051.25/x
  3. Step 3: Cross multiply
    190,126.82x = 285,470.58 × 106,051.25
  4. Step 4: Simplify right side
    190,126.82x = 30,274,510,419.87
  5. Step 5: Solve for x
    x = 30,274,510,419.87/190,126.82
  6. Step 6: Final answer
    x = 159,233.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.