Home / 271,779.20-407,717.40-114,023.60

Finding the Fourth Proportional to 271,779.20, 407,717.40 and 114,023.60

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Solution

The fourth proportional to 271,779.20, 407,717.40 and 114,023.60 is: 171,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,779.20 : 407,717.40 = 114,023.60 : x
  2. Step 2: Convert to fraction form
    271,779.20/407,717.40 = 114,023.60/x
  3. Step 3: Cross multiply
    271,779.20x = 407,717.40 × 114,023.60
  4. Step 4: Simplify right side
    271,779.20x = 46,489,405,730.64
  5. Step 5: Solve for x
    x = 46,489,405,730.64/271,779.20
  6. Step 6: Final answer
    x = 171,055.79

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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.