Home / 171,334.26-236,515.42-128,903.22

Finding the Fourth Proportional to 171,334.26, 236,515.42 and 128,903.22

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Solution

The fourth proportional to 171,334.26, 236,515.42 and 128,903.22 is: 177,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,334.26 : 236,515.42 = 128,903.22 : x
  2. Step 2: Convert to fraction form
    171,334.26/236,515.42 = 128,903.22/x
  3. Step 3: Cross multiply
    171,334.26x = 236,515.42 × 128,903.22
  4. Step 4: Simplify right side
    171,334.26x = 30,487,599,217.65
  5. Step 5: Solve for x
    x = 30,487,599,217.65/171,334.26
  6. Step 6: Final answer
    x = 177,942.22

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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.