Home / 446,207.45-669,577.12-161,920.18

Finding the Fourth Proportional to 446,207.45, 669,577.12 and 161,920.18

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Solution

The fourth proportional to 446,207.45, 669,577.12 and 161,920.18 is: 242,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,207.45 : 669,577.12 = 161,920.18 : x
  2. Step 2: Convert to fraction form
    446,207.45/669,577.12 = 161,920.18/x
  3. Step 3: Cross multiply
    446,207.45x = 669,577.12 × 161,920.18
  4. Step 4: Simplify right side
    446,207.45x = 108,418,048,226.45
  5. Step 5: Solve for x
    x = 108,418,048,226.45/446,207.45
  6. Step 6: Final answer
    x = 242,976.78

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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.