Home / 203,828.91-305,759.37-54,069.22

Finding the Fourth Proportional to 203,828.91, 305,759.37 and 54,069.22

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Solution

The fourth proportional to 203,828.91, 305,759.37 and 54,069.22 is: 81,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,828.91 : 305,759.37 = 54,069.22 : x
  2. Step 2: Convert to fraction form
    203,828.91/305,759.37 = 54,069.22/x
  3. Step 3: Cross multiply
    203,828.91x = 305,759.37 × 54,069.22
  4. Step 4: Simplify right side
    203,828.91x = 16,532,171,228.55
  5. Step 5: Solve for x
    x = 16,532,171,228.55/203,828.91
  6. Step 6: Final answer
    x = 81,108.08

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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.