Home / 348,034.20-522,051.30-214,481.40

Finding the Fourth Proportional to 348,034.20, 522,051.30 and 214,481.40

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Solution

The fourth proportional to 348,034.20, 522,051.30 and 214,481.40 is: 321,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,034.20 : 522,051.30 = 214,481.40 : x
  2. Step 2: Convert to fraction form
    348,034.20/522,051.30 = 214,481.40/x
  3. Step 3: Cross multiply
    348,034.20x = 522,051.30 × 214,481.40
  4. Step 4: Simplify right side
    348,034.20x = 111,970,293,695.82
  5. Step 5: Solve for x
    x = 111,970,293,695.82/348,034.20
  6. Step 6: Final answer
    x = 321,722.10

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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.