Home / 178,772.86-268,072.62-103,914.55

Finding the Fourth Proportional to 178,772.86, 268,072.62 and 103,914.55

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Solution

The fourth proportional to 178,772.86, 268,072.62 and 103,914.55 is: 155,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,772.86 : 268,072.62 = 103,914.55 : x
  2. Step 2: Convert to fraction form
    178,772.86/268,072.62 = 103,914.55/x
  3. Step 3: Cross multiply
    178,772.86x = 268,072.62 × 103,914.55
  4. Step 4: Simplify right side
    178,772.86x = 27,856,645,674.62
  5. Step 5: Solve for x
    x = 27,856,645,674.62/178,772.86
  6. Step 6: Final answer
    x = 155,821.45

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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.