Home / 126,656.16-189,936.60-51,736.27

Finding the Fourth Proportional to 126,656.16, 189,936.60 and 51,736.27

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Solution

The fourth proportional to 126,656.16, 189,936.60 and 51,736.27 is: 77,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656.16 : 189,936.60 = 51,736.27 : x
  2. Step 2: Convert to fraction form
    126,656.16/189,936.60 = 51,736.27/x
  3. Step 3: Cross multiply
    126,656.16x = 189,936.60 × 51,736.27
  4. Step 4: Simplify right side
    126,656.16x = 9,826,610,907.76
  5. Step 5: Solve for x
    x = 9,826,610,907.76/126,656.16
  6. Step 6: Final answer
    x = 77,584.94

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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.