Home / 326,136.32-450,089.41-188,321.06

Finding the Fourth Proportional to 326,136.32, 450,089.41 and 188,321.06

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Solution

The fourth proportional to 326,136.32, 450,089.41 and 188,321.06 is: 259,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,136.32 : 450,089.41 = 188,321.06 : x
  2. Step 2: Convert to fraction form
    326,136.32/450,089.41 = 188,321.06/x
  3. Step 3: Cross multiply
    326,136.32x = 450,089.41 × 188,321.06
  4. Step 4: Simplify right side
    326,136.32x = 84,761,314,785.97
  5. Step 5: Solve for x
    x = 84,761,314,785.97/326,136.32
  6. Step 6: Final answer
    x = 259,895.36

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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.