Home / 190,679.40-263,137.60-105,796.26

Finding the Fourth Proportional to 190,679.40, 263,137.60 and 105,796.26

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Solution

The fourth proportional to 190,679.40, 263,137.60 and 105,796.26 is: 145,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679.40 : 263,137.60 = 105,796.26 : x
  2. Step 2: Convert to fraction form
    190,679.40/263,137.60 = 105,796.26/x
  3. Step 3: Cross multiply
    190,679.40x = 263,137.60 × 105,796.26
  4. Step 4: Simplify right side
    190,679.40x = 27,838,973,945.38
  5. Step 5: Solve for x
    x = 27,838,973,945.38/190,679.40
  6. Step 6: Final answer
    x = 145,998.85

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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.