Home / 126,361.24-189,651.03-51,522.64

Finding the Fourth Proportional to 126,361.24, 189,651.03 and 51,522.64

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Solution

The fourth proportional to 126,361.24, 189,651.03 and 51,522.64 is: 77,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,361.24 : 189,651.03 = 51,522.64 : x
  2. Step 2: Convert to fraction form
    126,361.24/189,651.03 = 51,522.64/x
  3. Step 3: Cross multiply
    126,361.24x = 189,651.03 × 51,522.64
  4. Step 4: Simplify right side
    126,361.24x = 9,771,321,744.32
  5. Step 5: Solve for x
    x = 9,771,321,744.32/126,361.24
  6. Step 6: Final answer
    x = 77,328.47

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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.