Home / 139,049.60-208,449.66-50,282.24

Finding the Fourth Proportional to 139,049.60, 208,449.66 and 50,282.24

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Solution

The fourth proportional to 139,049.60, 208,449.66 and 50,282.24 is: 75,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,049.60 : 208,449.66 = 50,282.24 : x
  2. Step 2: Convert to fraction form
    139,049.60/208,449.66 = 50,282.24/x
  3. Step 3: Cross multiply
    139,049.60x = 208,449.66 × 50,282.24
  4. Step 4: Simplify right side
    139,049.60x = 10,481,315,832.04
  5. Step 5: Solve for x
    x = 10,481,315,832.04/139,049.60
  6. Step 6: Final answer
    x = 75,378.25

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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.