Home / 177,942.72-245,836.74-149,211.72

Finding the Fourth Proportional to 177,942.72, 245,836.74 and 149,211.72

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Solution

The fourth proportional to 177,942.72, 245,836.74 and 149,211.72 is: 206,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,942.72 : 245,836.74 = 149,211.72 : x
  2. Step 2: Convert to fraction form
    177,942.72/245,836.74 = 149,211.72/x
  3. Step 3: Cross multiply
    177,942.72x = 245,836.74 × 149,211.72
  4. Step 4: Simplify right side
    177,942.72x = 36,681,722,814.59
  5. Step 5: Solve for x
    x = 36,681,722,814.59/177,942.72
  6. Step 6: Final answer
    x = 206,143.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.