Home / 217,053.07-325,690.62-103,329.37

Finding the Fourth Proportional to 217,053.07, 325,690.62 and 103,329.37

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Solution

The fourth proportional to 217,053.07, 325,690.62 and 103,329.37 is: 155,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,053.07 : 325,690.62 = 103,329.37 : x
  2. Step 2: Convert to fraction form
    217,053.07/325,690.62 = 103,329.37/x
  3. Step 3: Cross multiply
    217,053.07x = 325,690.62 × 103,329.37
  4. Step 4: Simplify right side
    217,053.07x = 33,653,407,180.37
  5. Step 5: Solve for x
    x = 33,653,407,180.37/217,053.07
  6. Step 6: Final answer
    x = 155,046.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.