Home / 231,194.05-346,789.45-118,905.57

Finding the Fourth Proportional to 231,194.05, 346,789.45 and 118,905.57

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Solution

The fourth proportional to 231,194.05, 346,789.45 and 118,905.57 is: 178,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,194.05 : 346,789.45 = 118,905.57 : x
  2. Step 2: Convert to fraction form
    231,194.05/346,789.45 = 118,905.57/x
  3. Step 3: Cross multiply
    231,194.05x = 346,789.45 × 118,905.57
  4. Step 4: Simplify right side
    231,194.05x = 41,235,197,370.87
  5. Step 5: Solve for x
    x = 41,235,197,370.87/231,194.05
  6. Step 6: Final answer
    x = 178,357.52

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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.