Home / 220,591.20-331,053.72-161,580.24

Finding the Fourth Proportional to 220,591.20, 331,053.72 and 161,580.24

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Solution

The fourth proportional to 220,591.20, 331,053.72 and 161,580.24 is: 242,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,591.20 : 331,053.72 = 161,580.24 : x
  2. Step 2: Convert to fraction form
    220,591.20/331,053.72 = 161,580.24/x
  3. Step 3: Cross multiply
    220,591.20x = 331,053.72 × 161,580.24
  4. Step 4: Simplify right side
    220,591.20x = 53,491,739,530.49
  5. Step 5: Solve for x
    x = 53,491,739,530.49/220,591.20
  6. Step 6: Final answer
    x = 242,492.63

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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.