Home / 178,872.72-246,539.88-122,185.68

Finding the Fourth Proportional to 178,872.72, 246,539.88 and 122,185.68

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Solution

The fourth proportional to 178,872.72, 246,539.88 and 122,185.68 is: 168,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,872.72 : 246,539.88 = 122,185.68 : x
  2. Step 2: Convert to fraction form
    178,872.72/246,539.88 = 122,185.68/x
  3. Step 3: Cross multiply
    178,872.72x = 246,539.88 × 122,185.68
  4. Step 4: Simplify right side
    178,872.72x = 30,123,642,884.92
  5. Step 5: Solve for x
    x = 30,123,642,884.92/178,872.72
  6. Step 6: Final answer
    x = 168,408.26

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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.