Home / 193,772.20-290,658.30-123,442.60

Finding the Fourth Proportional to 193,772.20, 290,658.30 and 123,442.60

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Solution

The fourth proportional to 193,772.20, 290,658.30 and 123,442.60 is: 185,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,772.20 : 290,658.30 = 123,442.60 : x
  2. Step 2: Convert to fraction form
    193,772.20/290,658.30 = 123,442.60/x
  3. Step 3: Cross multiply
    193,772.20x = 290,658.30 × 123,442.60
  4. Step 4: Simplify right side
    193,772.20x = 35,879,616,263.58
  5. Step 5: Solve for x
    x = 35,879,616,263.58/193,772.20
  6. Step 6: Final answer
    x = 185,163.90

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1.5x scale

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.