Home / 352,213.20-528,611.40-162,964.80

Finding the Fourth Proportional to 352,213.20, 528,611.40 and 162,964.80

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Solution

The fourth proportional to 352,213.20, 528,611.40 and 162,964.80 is: 244,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,213.20 : 528,611.40 = 162,964.80 : x
  2. Step 2: Convert to fraction form
    352,213.20/528,611.40 = 162,964.80/x
  3. Step 3: Cross multiply
    352,213.20x = 528,611.40 × 162,964.80
  4. Step 4: Simplify right side
    352,213.20x = 86,145,051,078.72
  5. Step 5: Solve for x
    x = 86,145,051,078.72/352,213.20
  6. Step 6: Final answer
    x = 244,582.12

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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.