Home / 189,091.20-260,947.44-104,208.48

Finding the Fourth Proportional to 189,091.20, 260,947.44 and 104,208.48

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Solution

The fourth proportional to 189,091.20, 260,947.44 and 104,208.48 is: 143,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,091.20 : 260,947.44 = 104,208.48 : x
  2. Step 2: Convert to fraction form
    189,091.20/260,947.44 = 104,208.48/x
  3. Step 3: Cross multiply
    189,091.20x = 260,947.44 × 104,208.48
  4. Step 4: Simplify right side
    189,091.20x = 27,192,936,082.29
  5. Step 5: Solve for x
    x = 27,192,936,082.29/189,091.20
  6. Step 6: Final answer
    x = 143,808.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.