Home / 198,247.06-297,665.84-80,149.06

Finding the Fourth Proportional to 198,247.06, 297,665.84 and 80,149.06

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Solution

The fourth proportional to 198,247.06, 297,665.84 and 80,149.06 is: 120,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,247.06 : 297,665.84 = 80,149.06 : x
  2. Step 2: Convert to fraction form
    198,247.06/297,665.84 = 80,149.06/x
  3. Step 3: Cross multiply
    198,247.06x = 297,665.84 × 80,149.06
  4. Step 4: Simplify right side
    198,247.06x = 23,857,637,270.11
  5. Step 5: Solve for x
    x = 23,857,637,270.11/198,247.06
  6. Step 6: Final answer
    x = 120,342.96

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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.