Home / 355,108.20-532,662.30-222,397.80

Finding the Fourth Proportional to 355,108.20, 532,662.30 and 222,397.80

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Solution

The fourth proportional to 355,108.20, 532,662.30 and 222,397.80 is: 333,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,108.20 : 532,662.30 = 222,397.80 : x
  2. Step 2: Convert to fraction form
    355,108.20/532,662.30 = 222,397.80/x
  3. Step 3: Cross multiply
    355,108.20x = 532,662.30 × 222,397.80
  4. Step 4: Simplify right side
    355,108.20x = 118,462,923,662.94
  5. Step 5: Solve for x
    x = 118,462,923,662.94/355,108.20
  6. Step 6: Final answer
    x = 333,596.70

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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.