Home / 178,821.72-268,271.46-54,172.44

Finding the Fourth Proportional to 178,821.72, 268,271.46 and 54,172.44

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Solution

The fourth proportional to 178,821.72, 268,271.46 and 54,172.44 is: 81,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,821.72 : 268,271.46 = 54,172.44 : x
  2. Step 2: Convert to fraction form
    178,821.72/268,271.46 = 54,172.44/x
  3. Step 3: Cross multiply
    178,821.72x = 268,271.46 × 54,172.44
  4. Step 4: Simplify right side
    178,821.72x = 14,532,919,570.56
  5. Step 5: Solve for x
    x = 14,532,919,570.56/178,821.72
  6. Step 6: Final answer
    x = 81,270.44

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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.