Home / 189,450.38-283,954.13-105,170.24

Finding the Fourth Proportional to 189,450.38, 283,954.13 and 105,170.24

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Solution

The fourth proportional to 189,450.38, 283,954.13 and 105,170.24 is: 157,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,450.38 : 283,954.13 = 105,170.24 : x
  2. Step 2: Convert to fraction form
    189,450.38/283,954.13 = 105,170.24/x
  3. Step 3: Cross multiply
    189,450.38x = 283,954.13 × 105,170.24
  4. Step 4: Simplify right side
    189,450.38x = 29,863,522,055.47
  5. Step 5: Solve for x
    x = 29,863,522,055.47/189,450.38
  6. Step 6: Final answer
    x = 157,632.43

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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.