Home / 190,843.74-263,359.35-105,958.62

Finding the Fourth Proportional to 190,843.74, 263,359.35 and 105,958.62

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Solution

The fourth proportional to 190,843.74, 263,359.35 and 105,958.62 is: 146,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,843.74 : 263,359.35 = 105,958.62 : x
  2. Step 2: Convert to fraction form
    190,843.74/263,359.35 = 105,958.62/x
  3. Step 3: Cross multiply
    190,843.74x = 263,359.35 × 105,958.62
  4. Step 4: Simplify right side
    190,843.74x = 27,905,193,290.10
  5. Step 5: Solve for x
    x = 27,905,193,290.10/190,843.74
  6. Step 6: Final answer
    x = 146,220.11

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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.