Home / 204,436.98-306,706.32-71,319.06

Finding the Fourth Proportional to 204,436.98, 306,706.32 and 71,319.06

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Solution

The fourth proportional to 204,436.98, 306,706.32 and 71,319.06 is: 106,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,436.98 : 306,706.32 = 71,319.06 : x
  2. Step 2: Convert to fraction form
    204,436.98/306,706.32 = 71,319.06/x
  3. Step 3: Cross multiply
    204,436.98x = 306,706.32 × 71,319.06
  4. Step 4: Simplify right side
    204,436.98x = 21,874,006,438.46
  5. Step 5: Solve for x
    x = 21,874,006,438.46/204,436.98
  6. Step 6: Final answer
    x = 106,996.33

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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.