Home / 128,614.26-192,949.58-43,222.04

Finding the Fourth Proportional to 128,614.26, 192,949.58 and 43,222.04

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Solution

The fourth proportional to 128,614.26, 192,949.58 and 43,222.04 is: 64,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,614.26 : 192,949.58 = 43,222.04 : x
  2. Step 2: Convert to fraction form
    128,614.26/192,949.58 = 43,222.04/x
  3. Step 3: Cross multiply
    128,614.26x = 192,949.58 × 43,222.04
  4. Step 4: Simplify right side
    128,614.26x = 8,339,674,464.74
  5. Step 5: Solve for x
    x = 8,339,674,464.74/128,614.26
  6. Step 6: Final answer
    x = 64,842.53

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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.