Home / 203,940.08-305,595.73-109,182.83

Finding the Fourth Proportional to 203,940.08, 305,595.73 and 109,182.83

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Solution

The fourth proportional to 203,940.08, 305,595.73 and 109,182.83 is: 163,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.08 : 305,595.73 = 109,182.83 : x
  2. Step 2: Convert to fraction form
    203,940.08/305,595.73 = 109,182.83/x
  3. Step 3: Cross multiply
    203,940.08x = 305,595.73 × 109,182.83
  4. Step 4: Simplify right side
    203,940.08x = 33,365,806,091.40
  5. Step 5: Solve for x
    x = 33,365,806,091.40/203,940.08
  6. Step 6: Final answer
    x = 163,605.93

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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.