Home / 166,866.58-250,355.23-66,975.36

Finding the Fourth Proportional to 166,866.58, 250,355.23 and 66,975.36

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Solution

The fourth proportional to 166,866.58, 250,355.23 and 66,975.36 is: 100,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,866.58 : 250,355.23 = 66,975.36 : x
  2. Step 2: Convert to fraction form
    166,866.58/250,355.23 = 66,975.36/x
  3. Step 3: Cross multiply
    166,866.58x = 250,355.23 × 66,975.36
  4. Step 4: Simplify right side
    166,866.58x = 16,767,630,739.23
  5. Step 5: Solve for x
    x = 16,767,630,739.23/166,866.58
  6. Step 6: Final answer
    x = 100,485.25

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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.