Home / 178,968.72-268,491.96-54,319.44

Finding the Fourth Proportional to 178,968.72, 268,491.96 and 54,319.44

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Solution

The fourth proportional to 178,968.72, 268,491.96 and 54,319.44 is: 81,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,968.72 : 268,491.96 = 54,319.44 : x
  2. Step 2: Convert to fraction form
    178,968.72/268,491.96 = 54,319.44/x
  3. Step 3: Cross multiply
    178,968.72x = 268,491.96 × 54,319.44
  4. Step 4: Simplify right side
    178,968.72x = 14,584,332,911.70
  5. Step 5: Solve for x
    x = 14,584,332,911.70/178,968.72
  6. Step 6: Final answer
    x = 81,490.96

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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.