Home / 198,630.80-297,946.20-183,467.60

Finding the Fourth Proportional to 198,630.80, 297,946.20 and 183,467.60

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Solution

The fourth proportional to 198,630.80, 297,946.20 and 183,467.60 is: 275,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,630.80 : 297,946.20 = 183,467.60 : x
  2. Step 2: Convert to fraction form
    198,630.80/297,946.20 = 183,467.60/x
  3. Step 3: Cross multiply
    198,630.80x = 297,946.20 × 183,467.60
  4. Step 4: Simplify right side
    198,630.80x = 54,663,474,243.12
  5. Step 5: Solve for x
    x = 54,663,474,243.12/198,630.80
  6. Step 6: Final answer
    x = 275,201.40

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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.