Home / 180,840.74-271,313.88-80,977.56

Finding the Fourth Proportional to 180,840.74, 271,313.88 and 80,977.56

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Solution

The fourth proportional to 180,840.74, 271,313.88 and 80,977.56 is: 121,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,840.74 : 271,313.88 = 80,977.56 : x
  2. Step 2: Convert to fraction form
    180,840.74/271,313.88 = 80,977.56/x
  3. Step 3: Cross multiply
    180,840.74x = 271,313.88 × 80,977.56
  4. Step 4: Simplify right side
    180,840.74x = 21,970,335,996.53
  5. Step 5: Solve for x
    x = 21,970,335,996.53/180,840.74
  6. Step 6: Final answer
    x = 121,489.97

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1.5x scale

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.