Home / 372,906.20-514,613.90-211,764.60

Finding the Fourth Proportional to 372,906.20, 514,613.90 and 211,764.60

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Solution

The fourth proportional to 372,906.20, 514,613.90 and 211,764.60 is: 292,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,906.20 : 514,613.90 = 211,764.60 : x
  2. Step 2: Convert to fraction form
    372,906.20/514,613.90 = 211,764.60/x
  3. Step 3: Cross multiply
    372,906.20x = 514,613.90 × 211,764.60
  4. Step 4: Simplify right side
    372,906.20x = 108,977,006,687.94
  5. Step 5: Solve for x
    x = 108,977,006,687.94/372,906.20
  6. Step 6: Final answer
    x = 292,237.05

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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.