Home / 115,736.32-173,321.38-104,517

Finding the Fourth Proportional to 115,736.32, 173,321.38 and 104,517

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Solution

The fourth proportional to 115,736.32, 173,321.38 and 104,517 is: 156,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,736.32 : 173,321.38 = 104,517 : x
  2. Step 2: Convert to fraction form
    115,736.32/173,321.38 = 104,517/x
  3. Step 3: Cross multiply
    115,736.32x = 173,321.38 × 104,517
  4. Step 4: Simplify right side
    115,736.32x = 18,115,030,673.46
  5. Step 5: Solve for x
    x = 18,115,030,673.46/115,736.32
  6. Step 6: Final answer
    x = 156,519.84

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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.