Home / 188,923.74-260,724.41-107,257.71

Finding the Fourth Proportional to 188,923.74, 260,724.41 and 107,257.71

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Solution

The fourth proportional to 188,923.74, 260,724.41 and 107,257.71 is: 148,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,923.74 : 260,724.41 = 107,257.71 : x
  2. Step 2: Convert to fraction form
    188,923.74/260,724.41 = 107,257.71/x
  3. Step 3: Cross multiply
    188,923.74x = 260,724.41 × 107,257.71
  4. Step 4: Simplify right side
    188,923.74x = 27,964,704,001.35
  5. Step 5: Solve for x
    x = 27,964,704,001.35/188,923.74
  6. Step 6: Final answer
    x = 148,021.13

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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.