Home / 178,747.94-268,121.64-45,628.22

Finding the Fourth Proportional to 178,747.94, 268,121.64 and 45,628.22

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Solution

The fourth proportional to 178,747.94, 268,121.64 and 45,628.22 is: 68,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,747.94 : 268,121.64 = 45,628.22 : x
  2. Step 2: Convert to fraction form
    178,747.94/268,121.64 = 45,628.22/x
  3. Step 3: Cross multiply
    178,747.94x = 268,121.64 × 45,628.22
  4. Step 4: Simplify right side
    178,747.94x = 12,233,913,176.68
  5. Step 5: Solve for x
    x = 12,233,913,176.68/178,747.94
  6. Step 6: Final answer
    x = 68,442.26

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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.