Home / 126,383.36-189,522.32-51,452.63

Finding the Fourth Proportional to 126,383.36, 189,522.32 and 51,452.63

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Solution

The fourth proportional to 126,383.36, 189,522.32 and 51,452.63 is: 77,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,383.36 : 189,522.32 = 51,452.63 : x
  2. Step 2: Convert to fraction form
    126,383.36/189,522.32 = 51,452.63/x
  3. Step 3: Cross multiply
    126,383.36x = 189,522.32 × 51,452.63
  4. Step 4: Simplify right side
    126,383.36x = 9,751,420,988.72
  5. Step 5: Solve for x
    x = 9,751,420,988.72/126,383.36
  6. Step 6: Final answer
    x = 77,157.47

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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.