Home / 329,112.57-454,175.36-178,209.57

Finding the Fourth Proportional to 329,112.57, 454,175.36 and 178,209.57

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Solution

The fourth proportional to 329,112.57, 454,175.36 and 178,209.57 is: 245,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,112.57 : 454,175.36 = 178,209.57 : x
  2. Step 2: Convert to fraction form
    329,112.57/454,175.36 = 178,209.57/x
  3. Step 3: Cross multiply
    329,112.57x = 454,175.36 × 178,209.57
  4. Step 4: Simplify right side
    329,112.57x = 80,938,395,610.20
  5. Step 5: Solve for x
    x = 80,938,395,610.20/329,112.57
  6. Step 6: Final answer
    x = 245,929.21

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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.