Home / 412,926.20-619,235.70-163,556.60

Finding the Fourth Proportional to 412,926.20, 619,235.70 and 163,556.60

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Solution

The fourth proportional to 412,926.20, 619,235.70 and 163,556.60 is: 245,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,926.20 : 619,235.70 = 163,556.60 : x
  2. Step 2: Convert to fraction form
    412,926.20/619,235.70 = 163,556.60/x
  3. Step 3: Cross multiply
    412,926.20x = 619,235.70 × 163,556.60
  4. Step 4: Simplify right side
    412,926.20x = 101,280,085,690.62
  5. Step 5: Solve for x
    x = 101,280,085,690.62/412,926.20
  6. Step 6: Final answer
    x = 245,274.06

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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.