Home / 190,076.20-284,892.87-105,796.06

Finding the Fourth Proportional to 190,076.20, 284,892.87 and 105,796.06

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Solution

The fourth proportional to 190,076.20, 284,892.87 and 105,796.06 is: 158,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,076.20 : 284,892.87 = 105,796.06 : x
  2. Step 2: Convert to fraction form
    190,076.20/284,892.87 = 105,796.06/x
  3. Step 3: Cross multiply
    190,076.20x = 284,892.87 × 105,796.06
  4. Step 4: Simplify right side
    190,076.20x = 30,140,542,555.04
  5. Step 5: Solve for x
    x = 30,140,542,555.04/190,076.20
  6. Step 6: Final answer
    x = 158,570.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.