Home / 190,780.74-263,278.41-119,202.27

Finding the Fourth Proportional to 190,780.74, 263,278.41 and 119,202.27

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Solution

The fourth proportional to 190,780.74, 263,278.41 and 119,202.27 is: 164,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,780.74 : 263,278.41 = 119,202.27 : x
  2. Step 2: Convert to fraction form
    190,780.74/263,278.41 = 119,202.27/x
  3. Step 3: Cross multiply
    190,780.74x = 263,278.41 × 119,202.27
  4. Step 4: Simplify right side
    190,780.74x = 31,383,384,113.99
  5. Step 5: Solve for x
    x = 31,383,384,113.99/190,780.74
  6. Step 6: Final answer
    x = 164,499.75

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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.