Home / 298,279.03-411,616.77-162,309.82

Finding the Fourth Proportional to 298,279.03, 411,616.77 and 162,309.82

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Solution

The fourth proportional to 298,279.03, 411,616.77 and 162,309.82 is: 223,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,279.03 : 411,616.77 = 162,309.82 : x
  2. Step 2: Convert to fraction form
    298,279.03/411,616.77 = 162,309.82/x
  3. Step 3: Cross multiply
    298,279.03x = 411,616.77 × 162,309.82
  4. Step 4: Simplify right side
    298,279.03x = 66,809,443,847.68
  5. Step 5: Solve for x
    x = 66,809,443,847.68/298,279.03
  6. Step 6: Final answer
    x = 223,983.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.