Home / 190,786.22-263,134.75-169,005.79

Finding the Fourth Proportional to 190,786.22, 263,134.75 and 169,005.79

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Solution

The fourth proportional to 190,786.22, 263,134.75 and 169,005.79 is: 233,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,786.22 : 263,134.75 = 169,005.79 : x
  2. Step 2: Convert to fraction form
    190,786.22/263,134.75 = 169,005.79/x
  3. Step 3: Cross multiply
    190,786.22x = 263,134.75 × 169,005.79
  4. Step 4: Simplify right side
    190,786.22x = 44,471,296,300.20
  5. Step 5: Solve for x
    x = 44,471,296,300.20/190,786.22
  6. Step 6: Final answer
    x = 233,094.91

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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.