Home / 190,119.54-262,361.79-105,234.78

Finding the Fourth Proportional to 190,119.54, 262,361.79 and 105,234.78

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Solution

The fourth proportional to 190,119.54, 262,361.79 and 105,234.78 is: 145,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,119.54 : 262,361.79 = 105,234.78 : x
  2. Step 2: Convert to fraction form
    190,119.54/262,361.79 = 105,234.78/x
  3. Step 3: Cross multiply
    190,119.54x = 262,361.79 × 105,234.78
  4. Step 4: Simplify right side
    190,119.54x = 27,609,585,251.06
  5. Step 5: Solve for x
    x = 27,609,585,251.06/190,119.54
  6. Step 6: Final answer
    x = 145,222.24

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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.