Home / 260,840.22-390,750.96-179,772.74

Finding the Fourth Proportional to 260,840.22, 390,750.96 and 179,772.74

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Solution

The fourth proportional to 260,840.22, 390,750.96 and 179,772.74 is: 269,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,840.22 : 390,750.96 = 179,772.74 : x
  2. Step 2: Convert to fraction form
    260,840.22/390,750.96 = 179,772.74/x
  3. Step 3: Cross multiply
    260,840.22x = 390,750.96 × 179,772.74
  4. Step 4: Simplify right side
    260,840.22x = 70,246,370,736.83
  5. Step 5: Solve for x
    x = 70,246,370,736.83/260,840.22
  6. Step 6: Final answer
    x = 269,308.05

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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.