Home / 362,267.10-499,930.79-198,930.60

Finding the Fourth Proportional to 362,267.10, 499,930.79 and 198,930.60

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Solution

The fourth proportional to 362,267.10, 499,930.79 and 198,930.60 is: 274,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,267.10 : 499,930.79 = 198,930.60 : x
  2. Step 2: Convert to fraction form
    362,267.10/499,930.79 = 198,930.60/x
  3. Step 3: Cross multiply
    362,267.10x = 499,930.79 × 198,930.60
  4. Step 4: Simplify right side
    362,267.10x = 99,451,531,018.52
  5. Step 5: Solve for x
    x = 99,451,531,018.52/362,267.10
  6. Step 6: Final answer
    x = 274,525.43

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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.