Home / 203,960.12-305,908.58-104,194.04

Finding the Fourth Proportional to 203,960.12, 305,908.58 and 104,194.04

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Solution

The fourth proportional to 203,960.12, 305,908.58 and 104,194.04 is: 156,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,960.12 : 305,908.58 = 104,194.04 : x
  2. Step 2: Convert to fraction form
    203,960.12/305,908.58 = 104,194.04/x
  3. Step 3: Cross multiply
    203,960.12x = 305,908.58 × 104,194.04
  4. Step 4: Simplify right side
    203,960.12x = 31,873,849,551.81
  5. Step 5: Solve for x
    x = 31,873,849,551.81/203,960.12
  6. Step 6: Final answer
    x = 156,274.91

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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.