Home / 446,208.95-669,579.38-161,921.69

Finding the Fourth Proportional to 446,208.95, 669,579.38 and 161,921.69

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Solution

The fourth proportional to 446,208.95, 669,579.38 and 161,921.69 is: 242,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,208.95 : 669,579.38 = 161,921.69 : x
  2. Step 2: Convert to fraction form
    446,208.95/669,579.38 = 161,921.69/x
  3. Step 3: Cross multiply
    446,208.95x = 669,579.38 × 161,921.69
  4. Step 4: Simplify right side
    446,208.95x = 108,419,420,641.25
  5. Step 5: Solve for x
    x = 108,419,420,641.25/446,208.95
  6. Step 6: Final answer
    x = 242,979.04

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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.