Home / 126,043.83-189,065.23-51,163.34

Finding the Fourth Proportional to 126,043.83, 189,065.23 and 51,163.34

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Solution

The fourth proportional to 126,043.83, 189,065.23 and 51,163.34 is: 76,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.83 : 189,065.23 = 51,163.34 : x
  2. Step 2: Convert to fraction form
    126,043.83/189,065.23 = 51,163.34/x
  3. Step 3: Cross multiply
    126,043.83x = 189,065.23 × 51,163.34
  4. Step 4: Simplify right side
    126,043.83x = 9,673,208,280.43
  5. Step 5: Solve for x
    x = 9,673,208,280.43/126,043.83
  6. Step 6: Final answer
    x = 76,744.80

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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.