Home / 189,412.51-261,388.73-104,528.97

Finding the Fourth Proportional to 189,412.51, 261,388.73 and 104,528.97

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Solution

The fourth proportional to 189,412.51, 261,388.73 and 104,528.97 is: 144,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,412.51 : 261,388.73 = 104,528.97 : x
  2. Step 2: Convert to fraction form
    189,412.51/261,388.73 = 104,528.97/x
  3. Step 3: Cross multiply
    189,412.51x = 261,388.73 × 104,528.97
  4. Step 4: Simplify right side
    189,412.51x = 27,322,694,716.51
  5. Step 5: Solve for x
    x = 27,322,694,716.51/189,412.51
  6. Step 6: Final answer
    x = 144,249.68

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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.