Home / 227,776.40-340,858.20-198,515.60

Finding the Fourth Proportional to 227,776.40, 340,858.20 and 198,515.60

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Solution

The fourth proportional to 227,776.40, 340,858.20 and 198,515.60 is: 297,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,776.40 : 340,858.20 = 198,515.60 : x
  2. Step 2: Convert to fraction form
    227,776.40/340,858.20 = 198,515.60/x
  3. Step 3: Cross multiply
    227,776.40x = 340,858.20 × 198,515.60
  4. Step 4: Simplify right side
    227,776.40x = 67,665,670,087.92
  5. Step 5: Solve for x
    x = 67,665,670,087.92/227,776.40
  6. Step 6: Final answer
    x = 297,070.59

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1.5x scale

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.