Home / 190,789.22-263,138.88-169,008.80

Finding the Fourth Proportional to 190,789.22, 263,138.88 and 169,008.80

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Solution

The fourth proportional to 190,789.22, 263,138.88 and 169,008.80 is: 233,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,789.22 : 263,138.88 = 169,008.80 : x
  2. Step 2: Convert to fraction form
    190,789.22/263,138.88 = 169,008.80/x
  3. Step 3: Cross multiply
    190,789.22x = 263,138.88 × 169,008.80
  4. Step 4: Simplify right side
    190,789.22x = 44,472,786,342.14
  5. Step 5: Solve for x
    x = 44,472,786,342.14/190,789.22
  6. Step 6: Final answer
    x = 233,099.05

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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.