Home / 189,183.32-283,632.81-89,286.63

Finding the Fourth Proportional to 189,183.32, 283,632.81 and 89,286.63

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Solution

The fourth proportional to 189,183.32, 283,632.81 and 89,286.63 is: 133,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,183.32 : 283,632.81 = 89,286.63 : x
  2. Step 2: Convert to fraction form
    189,183.32/283,632.81 = 89,286.63/x
  3. Step 3: Cross multiply
    189,183.32x = 283,632.81 × 89,286.63
  4. Step 4: Simplify right side
    189,183.32x = 25,324,617,762.33
  5. Step 5: Solve for x
    x = 25,324,617,762.33/189,183.32
  6. Step 6: Final answer
    x = 133,862.85

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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.