Home / 298,107.60-446,578.20-179,426.40

Finding the Fourth Proportional to 298,107.60, 446,578.20 and 179,426.40

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Solution

The fourth proportional to 298,107.60, 446,578.20 and 179,426.40 is: 268,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,107.60 : 446,578.20 = 179,426.40 : x
  2. Step 2: Convert to fraction form
    298,107.60/446,578.20 = 179,426.40/x
  3. Step 3: Cross multiply
    298,107.60x = 446,578.20 × 179,426.40
  4. Step 4: Simplify right side
    298,107.60x = 80,127,918,744.48
  5. Step 5: Solve for x
    x = 80,127,918,744.48/298,107.60
  6. Step 6: Final answer
    x = 268,788.58

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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.