Home / 297,778.20-446,537.70-98,021.40

Finding the Fourth Proportional to 297,778.20, 446,537.70 and 98,021.40

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Solution

The fourth proportional to 297,778.20, 446,537.70 and 98,021.40 is: 146,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,778.20 : 446,537.70 = 98,021.40 : x
  2. Step 2: Convert to fraction form
    297,778.20/446,537.70 = 98,021.40/x
  3. Step 3: Cross multiply
    297,778.20x = 446,537.70 × 98,021.40
  4. Step 4: Simplify right side
    297,778.20x = 43,770,250,506.78
  5. Step 5: Solve for x
    x = 43,770,250,506.78/297,778.20
  6. Step 6: Final answer
    x = 146,989.44

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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.