Home / 326,136.82-450,090.10-188,321.57

Finding the Fourth Proportional to 326,136.82, 450,090.10 and 188,321.57

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Solution

The fourth proportional to 326,136.82, 450,090.10 and 188,321.57 is: 259,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,136.82 : 450,090.10 = 188,321.57 : x
  2. Step 2: Convert to fraction form
    326,136.82/450,090.10 = 188,321.57/x
  3. Step 3: Cross multiply
    326,136.82x = 450,090.10 × 188,321.57
  4. Step 4: Simplify right side
    326,136.82x = 84,761,674,273.46
  5. Step 5: Solve for x
    x = 84,761,674,273.46/326,136.82
  6. Step 6: Final answer
    x = 259,896.06

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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.