Home / 189,863.46-261,952.38-126,212.04

Finding the Fourth Proportional to 189,863.46, 261,952.38 and 126,212.04

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Solution

The fourth proportional to 189,863.46, 261,952.38 and 126,212.04 is: 174,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,863.46 : 261,952.38 = 126,212.04 : x
  2. Step 2: Convert to fraction form
    189,863.46/261,952.38 = 126,212.04/x
  3. Step 3: Cross multiply
    189,863.46x = 261,952.38 × 126,212.04
  4. Step 4: Simplify right side
    189,863.46x = 33,061,544,262.66
  5. Step 5: Solve for x
    x = 33,061,544,262.66/189,863.46
  6. Step 6: Final answer
    x = 174,133.27

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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.