Home / 325,530.36-449,221.61-180,330.30

Finding the Fourth Proportional to 325,530.36, 449,221.61 and 180,330.30

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Solution

The fourth proportional to 325,530.36, 449,221.61 and 180,330.30 is: 248,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,530.36 : 449,221.61 = 180,330.30 : x
  2. Step 2: Convert to fraction form
    325,530.36/449,221.61 = 180,330.30/x
  3. Step 3: Cross multiply
    325,530.36x = 449,221.61 × 180,330.30
  4. Step 4: Simplify right side
    325,530.36x = 81,008,268,148.61
  5. Step 5: Solve for x
    x = 81,008,268,148.61/325,530.36
  6. Step 6: Final answer
    x = 248,850.12

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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.