Home / 198,000.20-297,000.30-168,548.60

Finding the Fourth Proportional to 198,000.20, 297,000.30 and 168,548.60

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Solution

The fourth proportional to 198,000.20, 297,000.30 and 168,548.60 is: 252,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.20 : 297,000.30 = 168,548.60 : x
  2. Step 2: Convert to fraction form
    198,000.20/297,000.30 = 168,548.60/x
  3. Step 3: Cross multiply
    198,000.20x = 297,000.30 × 168,548.60
  4. Step 4: Simplify right side
    198,000.20x = 50,058,984,764.58
  5. Step 5: Solve for x
    x = 50,058,984,764.58/198,000.20
  6. Step 6: Final answer
    x = 252,822.90

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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.