Home / 297,972.80-446,613.60-120,363.20

Finding the Fourth Proportional to 297,972.80, 446,613.60 and 120,363.20

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Solution

The fourth proportional to 297,972.80, 446,613.60 and 120,363.20 is: 180,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,972.80 : 446,613.60 = 120,363.20 : x
  2. Step 2: Convert to fraction form
    297,972.80/446,613.60 = 120,363.20/x
  3. Step 3: Cross multiply
    297,972.80x = 446,613.60 × 120,363.20
  4. Step 4: Simplify right side
    297,972.80x = 53,755,842,059.52
  5. Step 5: Solve for x
    x = 53,755,842,059.52/297,972.80
  6. Step 6: Final answer
    x = 180,405.20

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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.