Home / 146,821.08-202,578.24-86,394.36

Finding the Fourth Proportional to 146,821.08, 202,578.24 and 86,394.36

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Solution

The fourth proportional to 146,821.08, 202,578.24 and 86,394.36 is: 119,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,821.08 : 202,578.24 = 86,394.36 : x
  2. Step 2: Convert to fraction form
    146,821.08/202,578.24 = 86,394.36/x
  3. Step 3: Cross multiply
    146,821.08x = 202,578.24 × 86,394.36
  4. Step 4: Simplify right side
    146,821.08x = 17,501,617,394.73
  5. Step 5: Solve for x
    x = 17,501,617,394.73/146,821.08
  6. Step 6: Final answer
    x = 119,203.71

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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.