Home / 189,949.42-262,126.96-105,066.42

Finding the Fourth Proportional to 189,949.42, 262,126.96 and 105,066.42

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Solution

The fourth proportional to 189,949.42, 262,126.96 and 105,066.42 is: 144,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,949.42 : 262,126.96 = 105,066.42 : x
  2. Step 2: Convert to fraction form
    189,949.42/262,126.96 = 105,066.42/x
  3. Step 3: Cross multiply
    189,949.42x = 262,126.96 × 105,066.42
  4. Step 4: Simplify right side
    189,949.42x = 27,540,741,272.68
  5. Step 5: Solve for x
    x = 27,540,741,272.68/189,949.42
  6. Step 6: Final answer
    x = 144,989.87

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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.