Home / 188,869.91-260,656.31-104,002.97

Finding the Fourth Proportional to 188,869.91, 260,656.31 and 104,002.97

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Solution

The fourth proportional to 188,869.91, 260,656.31 and 104,002.97 is: 143,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.91 : 260,656.31 = 104,002.97 : x
  2. Step 2: Convert to fraction form
    188,869.91/260,656.31 = 104,002.97/x
  3. Step 3: Cross multiply
    188,869.91x = 260,656.31 × 104,002.97
  4. Step 4: Simplify right side
    188,869.91x = 27,109,029,345.97
  5. Step 5: Solve for x
    x = 27,109,029,345.97/188,869.91
  6. Step 6: Final answer
    x = 143,532.82

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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.