Home / 195,619.75-293,231.10-111,205.49

Finding the Fourth Proportional to 195,619.75, 293,231.10 and 111,205.49

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Solution

The fourth proportional to 195,619.75, 293,231.10 and 111,205.49 is: 166,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,619.75 : 293,231.10 = 111,205.49 : x
  2. Step 2: Convert to fraction form
    195,619.75/293,231.10 = 111,205.49/x
  3. Step 3: Cross multiply
    195,619.75x = 293,231.10 × 111,205.49
  4. Step 4: Simplify right side
    195,619.75x = 32,608,909,526.95
  5. Step 5: Solve for x
    x = 32,608,909,526.95/195,619.75
  6. Step 6: Final answer
    x = 166,695.39

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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.