Home / 238,895.73-329,683.83-136,940.49

Finding the Fourth Proportional to 238,895.73, 329,683.83 and 136,940.49

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Solution

The fourth proportional to 238,895.73, 329,683.83 and 136,940.49 is: 188,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,895.73 : 329,683.83 = 136,940.49 : x
  2. Step 2: Convert to fraction form
    238,895.73/329,683.83 = 136,940.49/x
  3. Step 3: Cross multiply
    238,895.73x = 329,683.83 × 136,940.49
  4. Step 4: Simplify right side
    238,895.73x = 45,147,064,283.76
  5. Step 5: Solve for x
    x = 45,147,064,283.76/238,895.73
  6. Step 6: Final answer
    x = 188,982.30

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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.