Home / 188,694.51-260,398.04-103,811.37

Finding the Fourth Proportional to 188,694.51, 260,398.04 and 103,811.37

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Solution

The fourth proportional to 188,694.51, 260,398.04 and 103,811.37 is: 143,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,694.51 : 260,398.04 = 103,811.37 : x
  2. Step 2: Convert to fraction form
    188,694.51/260,398.04 = 103,811.37/x
  3. Step 3: Cross multiply
    188,694.51x = 260,398.04 × 103,811.37
  4. Step 4: Simplify right side
    188,694.51x = 27,032,276,758.66
  5. Step 5: Solve for x
    x = 27,032,276,758.66/188,694.51
  6. Step 6: Final answer
    x = 143,259.48

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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.