Home / 231,161.20-346,768.80-73,405.60

Finding the Fourth Proportional to 231,161.20, 346,768.80 and 73,405.60

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Solution

The fourth proportional to 231,161.20, 346,768.80 and 73,405.60 is: 110,116.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,161.20 : 346,768.80 = 73,405.60 : x
  2. Step 2: Convert to fraction form
    231,161.20/346,768.80 = 73,405.60/x
  3. Step 3: Cross multiply
    231,161.20x = 346,768.80 × 73,405.60
  4. Step 4: Simplify right side
    231,161.20x = 25,454,771,825.28
  5. Step 5: Solve for x
    x = 25,454,771,825.28/231,161.20
  6. Step 6: Final answer
    x = 110,116.97

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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.