Home / 209,579.08-289,219.16-114,086.49

Finding the Fourth Proportional to 209,579.08, 289,219.16 and 114,086.49

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Solution

The fourth proportional to 209,579.08, 289,219.16 and 114,086.49 is: 157,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,579.08 : 289,219.16 = 114,086.49 : x
  2. Step 2: Convert to fraction form
    209,579.08/289,219.16 = 114,086.49/x
  3. Step 3: Cross multiply
    209,579.08x = 289,219.16 × 114,086.49
  4. Step 4: Simplify right side
    209,579.08x = 32,995,998,805.15
  5. Step 5: Solve for x
    x = 32,995,998,805.15/209,579.08
  6. Step 6: Final answer
    x = 157,439.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.