Home / 446,208.45-669,578.62-161,921.18

Finding the Fourth Proportional to 446,208.45, 669,578.62 and 161,921.18

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Solution

The fourth proportional to 446,208.45, 669,578.62 and 161,921.18 is: 242,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,208.45 : 669,578.62 = 161,921.18 : x
  2. Step 2: Convert to fraction form
    446,208.45/669,578.62 = 161,921.18/x
  3. Step 3: Cross multiply
    446,208.45x = 669,578.62 × 161,921.18
  4. Step 4: Simplify right side
    446,208.45x = 108,418,960,253.17
  5. Step 5: Solve for x
    x = 108,418,960,253.17/446,208.45
  6. Step 6: Final answer
    x = 242,978.28

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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.