Home / 171,380.44-236,499.78-98,783.56

Finding the Fourth Proportional to 171,380.44, 236,499.78 and 98,783.56

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Solution

The fourth proportional to 171,380.44, 236,499.78 and 98,783.56 is: 136,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,380.44 : 236,499.78 = 98,783.56 : x
  2. Step 2: Convert to fraction form
    171,380.44/236,499.78 = 98,783.56/x
  3. Step 3: Cross multiply
    171,380.44x = 236,499.78 × 98,783.56
  4. Step 4: Simplify right side
    171,380.44x = 23,362,290,207.62
  5. Step 5: Solve for x
    x = 23,362,290,207.62/171,380.44
  6. Step 6: Final answer
    x = 136,318.30

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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.