Home / 189,816.75-261,924.38-104,922.27

Finding the Fourth Proportional to 189,816.75, 261,924.38 and 104,922.27

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Solution

The fourth proportional to 189,816.75, 261,924.38 and 104,922.27 is: 144,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,816.75 : 261,924.38 = 104,922.27 : x
  2. Step 2: Convert to fraction form
    189,816.75/261,924.38 = 104,922.27/x
  3. Step 3: Cross multiply
    189,816.75x = 261,924.38 × 104,922.27
  4. Step 4: Simplify right side
    189,816.75x = 27,481,699,993.33
  5. Step 5: Solve for x
    x = 27,481,699,993.33/189,816.75
  6. Step 6: Final answer
    x = 144,780.16

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1.5x scale

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.