Home / 326,172.62-449,927.06-205,121.90

Finding the Fourth Proportional to 326,172.62, 449,927.06 and 205,121.90

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Solution

The fourth proportional to 326,172.62, 449,927.06 and 205,121.90 is: 282,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,172.62 : 449,927.06 = 205,121.90 : x
  2. Step 2: Convert to fraction form
    326,172.62/449,927.06 = 205,121.90/x
  3. Step 3: Cross multiply
    326,172.62x = 449,927.06 × 205,121.90
  4. Step 4: Simplify right side
    326,172.62x = 92,289,893,408.61
  5. Step 5: Solve for x
    x = 92,289,893,408.61/326,172.62
  6. Step 6: Final answer
    x = 282,948.01

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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.