Home / 203,333.03-305,083.31-89,422.33

Finding the Fourth Proportional to 203,333.03, 305,083.31 and 89,422.33

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Solution

The fourth proportional to 203,333.03, 305,083.31 and 89,422.33 is: 134,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333.03 : 305,083.31 = 89,422.33 : x
  2. Step 2: Convert to fraction form
    203,333.03/305,083.31 = 89,422.33/x
  3. Step 3: Cross multiply
    203,333.03x = 305,083.31 × 89,422.33
  4. Step 4: Simplify right side
    203,333.03x = 27,281,260,289.52
  5. Step 5: Solve for x
    x = 27,281,260,289.52/203,333.03
  6. Step 6: Final answer
    x = 134,170.33

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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.