Home / 190,964.88-263,349.36-139,235.04

Finding the Fourth Proportional to 190,964.88, 263,349.36 and 139,235.04

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Solution

The fourth proportional to 190,964.88, 263,349.36 and 139,235.04 is: 192,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,964.88 : 263,349.36 = 139,235.04 : x
  2. Step 2: Convert to fraction form
    190,964.88/263,349.36 = 139,235.04/x
  3. Step 3: Cross multiply
    190,964.88x = 263,349.36 × 139,235.04
  4. Step 4: Simplify right side
    190,964.88x = 36,667,458,673.57
  5. Step 5: Solve for x
    x = 36,667,458,673.57/190,964.88
  6. Step 6: Final answer
    x = 192,011.53

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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.