Home / 126,370.24-189,505.77-51,463.36

Finding the Fourth Proportional to 126,370.24, 189,505.77 and 51,463.36

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Solution

The fourth proportional to 126,370.24, 189,505.77 and 51,463.36 is: 77,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,370.24 : 189,505.77 = 51,463.36 : x
  2. Step 2: Convert to fraction form
    126,370.24/189,505.77 = 51,463.36/x
  3. Step 3: Cross multiply
    126,370.24x = 189,505.77 × 51,463.36
  4. Step 4: Simplify right side
    126,370.24x = 9,752,603,028.05
  5. Step 5: Solve for x
    x = 9,752,603,028.05/126,370.24
  6. Step 6: Final answer
    x = 77,174.84

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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.