Home / 381,819.14-526,911.64-212,053.26

Finding the Fourth Proportional to 381,819.14, 526,911.64 and 212,053.26

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Solution

The fourth proportional to 381,819.14, 526,911.64 and 212,053.26 is: 292,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,819.14 : 526,911.64 = 212,053.26 : x
  2. Step 2: Convert to fraction form
    381,819.14/526,911.64 = 212,053.26/x
  3. Step 3: Cross multiply
    381,819.14x = 526,911.64 × 212,053.26
  4. Step 4: Simplify right side
    381,819.14x = 111,733,330,993.95
  5. Step 5: Solve for x
    x = 111,733,330,993.95/381,819.14
  6. Step 6: Final answer
    x = 292,634.18

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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.