Home / 209,579.33-289,219.51-114,086.75

Finding the Fourth Proportional to 209,579.33, 289,219.51 and 114,086.75

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Solution

The fourth proportional to 209,579.33, 289,219.51 and 114,086.75 is: 157,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,579.33 : 289,219.51 = 114,086.75 : x
  2. Step 2: Convert to fraction form
    209,579.33/289,219.51 = 114,086.75/x
  3. Step 3: Cross multiply
    209,579.33x = 289,219.51 × 114,086.75
  4. Step 4: Simplify right side
    209,579.33x = 32,996,112,486.40
  5. Step 5: Solve for x
    x = 32,996,112,486.40/209,579.33
  6. Step 6: Final answer
    x = 157,439.73

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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.