Home / 231,214.20-346,821.30-73,458.60

Finding the Fourth Proportional to 231,214.20, 346,821.30 and 73,458.60

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Solution

The fourth proportional to 231,214.20, 346,821.30 and 73,458.60 is: 110,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,214.20 : 346,821.30 = 73,458.60 : x
  2. Step 2: Convert to fraction form
    231,214.20/346,821.30 = 73,458.60/x
  3. Step 3: Cross multiply
    231,214.20x = 346,821.30 × 73,458.60
  4. Step 4: Simplify right side
    231,214.20x = 25,477,007,148.18
  5. Step 5: Solve for x
    x = 25,477,007,148.18/231,214.20
  6. Step 6: Final answer
    x = 110,187.90

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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.