Home / 203,233.11-305,401.20-108,529.17

Finding the Fourth Proportional to 203,233.11, 305,401.20 and 108,529.17

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Solution

The fourth proportional to 203,233.11, 305,401.20 and 108,529.17 is: 163,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,233.11 : 305,401.20 = 108,529.17 : x
  2. Step 2: Convert to fraction form
    203,233.11/305,401.20 = 108,529.17/x
  3. Step 3: Cross multiply
    203,233.11x = 305,401.20 × 108,529.17
  4. Step 4: Simplify right side
    203,233.11x = 33,144,938,753.00
  5. Step 5: Solve for x
    x = 33,144,938,753.00/203,233.11
  6. Step 6: Final answer
    x = 163,088.28

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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.