Home / 225,650.41-311,539.37-145,218.02

Finding the Fourth Proportional to 225,650.41, 311,539.37 and 145,218.02

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Solution

The fourth proportional to 225,650.41, 311,539.37 and 145,218.02 is: 200,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,650.41 : 311,539.37 = 145,218.02 : x
  2. Step 2: Convert to fraction form
    225,650.41/311,539.37 = 145,218.02/x
  3. Step 3: Cross multiply
    225,650.41x = 311,539.37 × 145,218.02
  4. Step 4: Simplify right side
    225,650.41x = 45,241,128,179.66
  5. Step 5: Solve for x
    x = 45,241,128,179.66/225,650.41
  6. Step 6: Final answer
    x = 200,492.12

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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.