Home / 190,722.60-263,185.74-105,839.73

Finding the Fourth Proportional to 190,722.60, 263,185.74 and 105,839.73

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Solution

The fourth proportional to 190,722.60, 263,185.74 and 105,839.73 is: 146,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,722.60 : 263,185.74 = 105,839.73 : x
  2. Step 2: Convert to fraction form
    190,722.60/263,185.74 = 105,839.73/x
  3. Step 3: Cross multiply
    190,722.60x = 263,185.74 × 105,839.73
  4. Step 4: Simplify right side
    190,722.60x = 27,855,507,661.45
  5. Step 5: Solve for x
    x = 27,855,507,661.45/190,722.60
  6. Step 6: Final answer
    x = 146,052.47

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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.