Home / 298,186.03-411,487.33-162,216.48

Finding the Fourth Proportional to 298,186.03, 411,487.33 and 162,216.48

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Solution

The fourth proportional to 298,186.03, 411,487.33 and 162,216.48 is: 223,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,186.03 : 411,487.33 = 162,216.48 : x
  2. Step 2: Convert to fraction form
    298,186.03/411,487.33 = 162,216.48/x
  3. Step 3: Cross multiply
    298,186.03x = 411,487.33 × 162,216.48
  4. Step 4: Simplify right side
    298,186.03x = 66,750,025,426.12
  5. Step 5: Solve for x
    x = 66,750,025,426.12/298,186.03
  6. Step 6: Final answer
    x = 223,853.63

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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.