Home / 217,334.85-299,936.48-121,847.73

Finding the Fourth Proportional to 217,334.85, 299,936.48 and 121,847.73

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Solution

The fourth proportional to 217,334.85, 299,936.48 and 121,847.73 is: 168,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,334.85 : 299,936.48 = 121,847.73 : x
  2. Step 2: Convert to fraction form
    217,334.85/299,936.48 = 121,847.73/x
  3. Step 3: Cross multiply
    217,334.85x = 299,936.48 × 121,847.73
  4. Step 4: Simplify right side
    217,334.85x = 36,546,579,232.19
  5. Step 5: Solve for x
    x = 36,546,579,232.19/217,334.85
  6. Step 6: Final answer
    x = 168,157.93

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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.