Home / 386,291.22-533,072.05-214,206.44

Finding the Fourth Proportional to 386,291.22, 533,072.05 and 214,206.44

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Solution

The fourth proportional to 386,291.22, 533,072.05 and 214,206.44 is: 295,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,291.22 : 533,072.05 = 214,206.44 : x
  2. Step 2: Convert to fraction form
    386,291.22/533,072.05 = 214,206.44/x
  3. Step 3: Cross multiply
    386,291.22x = 533,072.05 × 214,206.44
  4. Step 4: Simplify right side
    386,291.22x = 114,187,466,094.00
  5. Step 5: Solve for x
    x = 114,187,466,094.00/386,291.22
  6. Step 6: Final answer
    x = 295,599.43

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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.