Home / 352,032.80-528,049.20-211,949.60

Finding the Fourth Proportional to 352,032.80, 528,049.20 and 211,949.60

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Solution

The fourth proportional to 352,032.80, 528,049.20 and 211,949.60 is: 317,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,032.80 : 528,049.20 = 211,949.60 : x
  2. Step 2: Convert to fraction form
    352,032.80/528,049.20 = 211,949.60/x
  3. Step 3: Cross multiply
    352,032.80x = 528,049.20 × 211,949.60
  4. Step 4: Simplify right side
    352,032.80x = 111,919,816,720.32
  5. Step 5: Solve for x
    x = 111,919,816,720.32/352,032.80
  6. Step 6: Final answer
    x = 317,924.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.