Home / 298,860.28-412,427.49-162,894.35

Finding the Fourth Proportional to 298,860.28, 412,427.49 and 162,894.35

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Solution

The fourth proportional to 298,860.28, 412,427.49 and 162,894.35 is: 224,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,860.28 : 412,427.49 = 162,894.35 : x
  2. Step 2: Convert to fraction form
    298,860.28/412,427.49 = 162,894.35/x
  3. Step 3: Cross multiply
    298,860.28x = 412,427.49 × 162,894.35
  4. Step 4: Simplify right side
    298,860.28x = 67,182,107,905.68
  5. Step 5: Solve for x
    x = 67,182,107,905.68/298,860.28
  6. Step 6: Final answer
    x = 224,794.37

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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.