Home / 354,836.44-532,362.93-212,839.39

Finding the Fourth Proportional to 354,836.44, 532,362.93 and 212,839.39

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Solution

The fourth proportional to 354,836.44, 532,362.93 and 212,839.39 is: 319,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,836.44 : 532,362.93 = 212,839.39 : x
  2. Step 2: Convert to fraction form
    354,836.44/532,362.93 = 212,839.39/x
  3. Step 3: Cross multiply
    354,836.44x = 532,362.93 × 212,839.39
  4. Step 4: Simplify right side
    354,836.44x = 113,307,801,279.81
  5. Step 5: Solve for x
    x = 113,307,801,279.81/354,836.44
  6. Step 6: Final answer
    x = 319,324.03

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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.