Home / 264,849.40-396,939.30-106,989.40

Finding the Fourth Proportional to 264,849.40, 396,939.30 and 106,989.40

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Solution

The fourth proportional to 264,849.40, 396,939.30 and 106,989.40 is: 160,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,849.40 : 396,939.30 = 106,989.40 : x
  2. Step 2: Convert to fraction form
    264,849.40/396,939.30 = 106,989.40/x
  3. Step 3: Cross multiply
    264,849.40x = 396,939.30 × 106,989.40
  4. Step 4: Simplify right side
    264,849.40x = 42,468,297,543.42
  5. Step 5: Solve for x
    x = 42,468,297,543.42/264,849.40
  6. Step 6: Final answer
    x = 160,348.85

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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.