Home / 445,933.08-668,724.66-179,643.96

Finding the Fourth Proportional to 445,933.08, 668,724.66 and 179,643.96

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Solution

The fourth proportional to 445,933.08, 668,724.66 and 179,643.96 is: 269,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.08 : 668,724.66 = 179,643.96 : x
  2. Step 2: Convert to fraction form
    445,933.08/668,724.66 = 179,643.96/x
  3. Step 3: Cross multiply
    445,933.08x = 668,724.66 × 179,643.96
  4. Step 4: Simplify right side
    445,933.08x = 120,132,346,072.05
  5. Step 5: Solve for x
    x = 120,132,346,072.05/445,933.08
  6. Step 6: Final answer
    x = 269,395.46

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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.