Home / 198,612.20-297,918.30-73,927.40

Finding the Fourth Proportional to 198,612.20, 297,918.30 and 73,927.40

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Solution

The fourth proportional to 198,612.20, 297,918.30 and 73,927.40 is: 110,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,612.20 : 297,918.30 = 73,927.40 : x
  2. Step 2: Convert to fraction form
    198,612.20/297,918.30 = 73,927.40/x
  3. Step 3: Cross multiply
    198,612.20x = 297,918.30 × 73,927.40
  4. Step 4: Simplify right side
    198,612.20x = 22,024,325,331.42
  5. Step 5: Solve for x
    x = 22,024,325,331.42/198,612.20
  6. Step 6: Final answer
    x = 110,891.10

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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.