Home / 260,748.12-390,822.66-110,766.36

Finding the Fourth Proportional to 260,748.12, 390,822.66 and 110,766.36

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Solution

The fourth proportional to 260,748.12, 390,822.66 and 110,766.36 is: 166,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,748.12 : 390,822.66 = 110,766.36 : x
  2. Step 2: Convert to fraction form
    260,748.12/390,822.66 = 110,766.36/x
  3. Step 3: Cross multiply
    260,748.12x = 390,822.66 × 110,766.36
  4. Step 4: Simplify right side
    260,748.12x = 43,290,003,453.72
  5. Step 5: Solve for x
    x = 43,290,003,453.72/260,748.12
  6. Step 6: Final answer
    x = 166,022.30

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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.