Home / 238,664.51-329,017.78-189,838.21

Finding the Fourth Proportional to 238,664.51, 329,017.78 and 189,838.21

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Solution

The fourth proportional to 238,664.51, 329,017.78 and 189,838.21 is: 261,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,664.51 : 329,017.78 = 189,838.21 : x
  2. Step 2: Convert to fraction form
    238,664.51/329,017.78 = 189,838.21/x
  3. Step 3: Cross multiply
    238,664.51x = 329,017.78 × 189,838.21
  4. Step 4: Simplify right side
    238,664.51x = 62,460,146,413.37
  5. Step 5: Solve for x
    x = 62,460,146,413.37/238,664.51
  6. Step 6: Final answer
    x = 261,706.89

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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.