Home / 189,517.22-284,274.46-77,171.03

Finding the Fourth Proportional to 189,517.22, 284,274.46 and 77,171.03

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Solution

The fourth proportional to 189,517.22, 284,274.46 and 77,171.03 is: 115,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,517.22 : 284,274.46 = 77,171.03 : x
  2. Step 2: Convert to fraction form
    189,517.22/284,274.46 = 77,171.03/x
  3. Step 3: Cross multiply
    189,517.22x = 284,274.46 × 77,171.03
  4. Step 4: Simplify right side
    189,517.22x = 21,937,752,622.01
  5. Step 5: Solve for x
    x = 21,937,752,622.01/189,517.22
  6. Step 6: Final answer
    x = 115,755.99

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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.