Home / 220,887.70-331,331.55-204,649.23

Finding the Fourth Proportional to 220,887.70, 331,331.55 and 204,649.23

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Solution

The fourth proportional to 220,887.70, 331,331.55 and 204,649.23 is: 306,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887.70 : 331,331.55 = 204,649.23 : x
  2. Step 2: Convert to fraction form
    220,887.70/331,331.55 = 204,649.23/x
  3. Step 3: Cross multiply
    220,887.70x = 331,331.55 × 204,649.23
  4. Step 4: Simplify right side
    220,887.70x = 67,806,746,582.21
  5. Step 5: Solve for x
    x = 67,806,746,582.21/220,887.70
  6. Step 6: Final answer
    x = 306,973.85

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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.