Home / 190,406.82-262,770.27-105,523.89

Finding the Fourth Proportional to 190,406.82, 262,770.27 and 105,523.89

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Solution

The fourth proportional to 190,406.82, 262,770.27 and 105,523.89 is: 145,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,406.82 : 262,770.27 = 105,523.89 : x
  2. Step 2: Convert to fraction form
    190,406.82/262,770.27 = 105,523.89/x
  3. Step 3: Cross multiply
    190,406.82x = 262,770.27 × 105,523.89
  4. Step 4: Simplify right side
    190,406.82x = 27,728,541,066.75
  5. Step 5: Solve for x
    x = 27,728,541,066.75/190,406.82
  6. Step 6: Final answer
    x = 145,627.88

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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.