Home / 188,936.09-260,719.80-104,053.16

Finding the Fourth Proportional to 188,936.09, 260,719.80 and 104,053.16

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Solution

The fourth proportional to 188,936.09, 260,719.80 and 104,053.16 is: 143,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,936.09 : 260,719.80 = 104,053.16 : x
  2. Step 2: Convert to fraction form
    188,936.09/260,719.80 = 104,053.16/x
  3. Step 3: Cross multiply
    188,936.09x = 260,719.80 × 104,053.16
  4. Step 4: Simplify right side
    188,936.09x = 27,128,717,760.97
  5. Step 5: Solve for x
    x = 27,128,717,760.97/188,936.09
  6. Step 6: Final answer
    x = 143,586.75

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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.