Home / 166,690.86-230,029.11-91,234.50

Finding the Fourth Proportional to 166,690.86, 230,029.11 and 91,234.50

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Solution

The fourth proportional to 166,690.86, 230,029.11 and 91,234.50 is: 125,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,690.86 : 230,029.11 = 91,234.50 : x
  2. Step 2: Convert to fraction form
    166,690.86/230,029.11 = 91,234.50/x
  3. Step 3: Cross multiply
    166,690.86x = 230,029.11 × 91,234.50
  4. Step 4: Simplify right side
    166,690.86x = 20,986,590,836.30
  5. Step 5: Solve for x
    x = 20,986,590,836.30/166,690.86
  6. Step 6: Final answer
    x = 125,901.27

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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.