Home / 189,222.88-283,899.60-84,115.36

Finding the Fourth Proportional to 189,222.88, 283,899.60 and 84,115.36

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Solution

The fourth proportional to 189,222.88, 283,899.60 and 84,115.36 is: 126,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,222.88 : 283,899.60 = 84,115.36 : x
  2. Step 2: Convert to fraction form
    189,222.88/283,899.60 = 84,115.36/x
  3. Step 3: Cross multiply
    189,222.88x = 283,899.60 × 84,115.36
  4. Step 4: Simplify right side
    189,222.88x = 23,880,317,057.86
  5. Step 5: Solve for x
    x = 23,880,317,057.86/189,222.88
  6. Step 6: Final answer
    x = 126,202.06

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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.