Home / 191,201.48-263,787.54-115,722.44

Finding the Fourth Proportional to 191,201.48, 263,787.54 and 115,722.44

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Solution

The fourth proportional to 191,201.48, 263,787.54 and 115,722.44 is: 159,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,201.48 : 263,787.54 = 115,722.44 : x
  2. Step 2: Convert to fraction form
    191,201.48/263,787.54 = 115,722.44/x
  3. Step 3: Cross multiply
    191,201.48x = 263,787.54 × 115,722.44
  4. Step 4: Simplify right side
    191,201.48x = 30,526,137,770.40
  5. Step 5: Solve for x
    x = 30,526,137,770.40/191,201.48
  6. Step 6: Final answer
    x = 159,654.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.