Home / 126,894.43-190,365.68-50,998.87

Finding the Fourth Proportional to 126,894.43, 190,365.68 and 50,998.87

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Solution

The fourth proportional to 126,894.43, 190,365.68 and 50,998.87 is: 76,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,894.43 : 190,365.68 = 50,998.87 : x
  2. Step 2: Convert to fraction form
    126,894.43/190,365.68 = 50,998.87/x
  3. Step 3: Cross multiply
    126,894.43x = 190,365.68 × 50,998.87
  4. Step 4: Simplify right side
    126,894.43x = 9,708,433,835.87
  5. Step 5: Solve for x
    x = 9,708,433,835.87/126,894.43
  6. Step 6: Final answer
    x = 76,507.96

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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.