Home / 178,893.40-268,340.10-54,234.36

Finding the Fourth Proportional to 178,893.40, 268,340.10 and 54,234.36

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Solution

The fourth proportional to 178,893.40, 268,340.10 and 54,234.36 is: 81,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,893.40 : 268,340.10 = 54,234.36 : x
  2. Step 2: Convert to fraction form
    178,893.40/268,340.10 = 54,234.36/x
  3. Step 3: Cross multiply
    178,893.40x = 268,340.10 × 54,234.36
  4. Step 4: Simplify right side
    178,893.40x = 14,553,253,585.84
  5. Step 5: Solve for x
    x = 14,553,253,585.84/178,893.40
  6. Step 6: Final answer
    x = 81,351.54

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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.