Home / 445,971.22-668,768.20-179,660.23

Finding the Fourth Proportional to 445,971.22, 668,768.20 and 179,660.23

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Solution

The fourth proportional to 445,971.22, 668,768.20 and 179,660.23 is: 269,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,971.22 : 668,768.20 = 179,660.23 : x
  2. Step 2: Convert to fraction form
    445,971.22/668,768.20 = 179,660.23/x
  3. Step 3: Cross multiply
    445,971.22x = 668,768.20 × 179,660.23
  4. Step 4: Simplify right side
    445,971.22x = 120,151,046,507.62
  5. Step 5: Solve for x
    x = 120,151,046,507.62/445,971.22
  6. Step 6: Final answer
    x = 269,414.35

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1.5x scale

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.