Home / 166,093.24-229,138.86-115,821.40

Finding the Fourth Proportional to 166,093.24, 229,138.86 and 115,821.40

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Solution

The fourth proportional to 166,093.24, 229,138.86 and 115,821.40 is: 159,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,093.24 : 229,138.86 = 115,821.40 : x
  2. Step 2: Convert to fraction form
    166,093.24/229,138.86 = 115,821.40/x
  3. Step 3: Cross multiply
    166,093.24x = 229,138.86 × 115,821.40
  4. Step 4: Simplify right side
    166,093.24x = 26,539,183,559.60
  5. Step 5: Solve for x
    x = 26,539,183,559.60/166,093.24
  6. Step 6: Final answer
    x = 159,784.85

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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.