Home / 139,265.33-192,183.18-75,603.14

Finding the Fourth Proportional to 139,265.33, 192,183.18 and 75,603.14

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Solution

The fourth proportional to 139,265.33, 192,183.18 and 75,603.14 is: 104,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,265.33 : 192,183.18 = 75,603.14 : x
  2. Step 2: Convert to fraction form
    139,265.33/192,183.18 = 75,603.14/x
  3. Step 3: Cross multiply
    139,265.33x = 192,183.18 × 75,603.14
  4. Step 4: Simplify right side
    139,265.33x = 14,529,650,902.27
  5. Step 5: Solve for x
    x = 14,529,650,902.27/139,265.33
  6. Step 6: Final answer
    x = 104,330.71

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1.5x scale

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.