Home / 190,781.74-263,279.79-119,203.27

Finding the Fourth Proportional to 190,781.74, 263,279.79 and 119,203.27

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Solution

The fourth proportional to 190,781.74, 263,279.79 and 119,203.27 is: 164,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,781.74 : 263,279.79 = 119,203.27 : x
  2. Step 2: Convert to fraction form
    190,781.74/263,279.79 = 119,203.27/x
  3. Step 3: Cross multiply
    190,781.74x = 263,279.79 × 119,203.27
  4. Step 4: Simplify right side
    190,781.74x = 31,383,811,892.91
  5. Step 5: Solve for x
    x = 31,383,811,892.91/190,781.74
  6. Step 6: Final answer
    x = 164,501.13

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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.