Home / 154,464.20-231,696.30-49,293.80

Finding the Fourth Proportional to 154,464.20, 231,696.30 and 49,293.80

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Solution

The fourth proportional to 154,464.20, 231,696.30 and 49,293.80 is: 73,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464.20 : 231,696.30 = 49,293.80 : x
  2. Step 2: Convert to fraction form
    154,464.20/231,696.30 = 49,293.80/x
  3. Step 3: Cross multiply
    154,464.20x = 231,696.30 × 49,293.80
  4. Step 4: Simplify right side
    154,464.20x = 11,421,191,072.94
  5. Step 5: Solve for x
    x = 11,421,191,072.94/154,464.20
  6. Step 6: Final answer
    x = 73,940.70

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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.