Home / 166,406.46-229,641.03-90,954.96

Finding the Fourth Proportional to 166,406.46, 229,641.03 and 90,954.96

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Solution

The fourth proportional to 166,406.46, 229,641.03 and 90,954.96 is: 125,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,406.46 : 229,641.03 = 90,954.96 : x
  2. Step 2: Convert to fraction form
    166,406.46/229,641.03 = 90,954.96/x
  3. Step 3: Cross multiply
    166,406.46x = 229,641.03 × 90,954.96
  4. Step 4: Simplify right side
    166,406.46x = 20,886,990,698.01
  5. Step 5: Solve for x
    x = 20,886,990,698.01/166,406.46
  6. Step 6: Final answer
    x = 125,517.91

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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.