Home / 190,781.85-263,279.97-119,203.38

Finding the Fourth Proportional to 190,781.85, 263,279.97 and 119,203.38

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Solution

The fourth proportional to 190,781.85, 263,279.97 and 119,203.38 is: 164,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,781.85 : 263,279.97 = 119,203.38 : x
  2. Step 2: Convert to fraction form
    190,781.85/263,279.97 = 119,203.38/x
  3. Step 3: Cross multiply
    190,781.85x = 263,279.97 × 119,203.38
  4. Step 4: Simplify right side
    190,781.85x = 31,383,862,310.30
  5. Step 5: Solve for x
    x = 31,383,862,310.30/190,781.85
  6. Step 6: Final answer
    x = 164,501.30

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1.5x scale

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.