Home / 260,563.20-390,724.48-110,723.60

Finding the Fourth Proportional to 260,563.20, 390,724.48 and 110,723.60

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Solution

The fourth proportional to 260,563.20, 390,724.48 and 110,723.60 is: 166,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,563.20 : 390,724.48 = 110,723.60 : x
  2. Step 2: Convert to fraction form
    260,563.20/390,724.48 = 110,723.60/x
  3. Step 3: Cross multiply
    260,563.20x = 390,724.48 × 110,723.60
  4. Step 4: Simplify right side
    260,563.20x = 43,262,421,033.73
  5. Step 5: Solve for x
    x = 43,262,421,033.73/260,563.20
  6. Step 6: Final answer
    x = 166,034.27

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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.