Home / 195,629.45-293,245.65-111,215.23

Finding the Fourth Proportional to 195,629.45, 293,245.65 and 111,215.23

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Solution

The fourth proportional to 195,629.45, 293,245.65 and 111,215.23 is: 166,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,629.45 : 293,245.65 = 111,215.23 : x
  2. Step 2: Convert to fraction form
    195,629.45/293,245.65 = 111,215.23/x
  3. Step 3: Cross multiply
    195,629.45x = 293,245.65 × 111,215.23
  4. Step 4: Simplify right side
    195,629.45x = 32,613,381,678.14
  5. Step 5: Solve for x
    x = 32,613,381,678.14/195,629.45
  6. Step 6: Final answer
    x = 166,709.98

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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.