Home / 178,967.72-268,490.46-54,318.44

Finding the Fourth Proportional to 178,967.72, 268,490.46 and 54,318.44

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Solution

The fourth proportional to 178,967.72, 268,490.46 and 54,318.44 is: 81,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,967.72 : 268,490.46 = 54,318.44 : x
  2. Step 2: Convert to fraction form
    178,967.72/268,490.46 = 54,318.44/x
  3. Step 3: Cross multiply
    178,967.72x = 268,490.46 × 54,318.44
  4. Step 4: Simplify right side
    178,967.72x = 14,583,982,942.08
  5. Step 5: Solve for x
    x = 14,583,982,942.08/178,967.72
  6. Step 6: Final answer
    x = 81,489.46

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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.