Home / 210,174.54-289,965.09-161,791.27

Finding the Fourth Proportional to 210,174.54, 289,965.09 and 161,791.27

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Solution

The fourth proportional to 210,174.54, 289,965.09 and 161,791.27 is: 223,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,174.54 : 289,965.09 = 161,791.27 : x
  2. Step 2: Convert to fraction form
    210,174.54/289,965.09 = 161,791.27/x
  3. Step 3: Cross multiply
    210,174.54x = 289,965.09 × 161,791.27
  4. Step 4: Simplify right side
    210,174.54x = 46,913,819,441.85
  5. Step 5: Solve for x
    x = 46,913,819,441.85/210,174.54
  6. Step 6: Final answer
    x = 223,213.61

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1.5x scale

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.