Home / 126,133.21-189,105-59,535.46

Finding the Fourth Proportional to 126,133.21, 189,105 and 59,535.46

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Solution

The fourth proportional to 126,133.21, 189,105 and 59,535.46 is: 89,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.21 : 189,105 = 59,535.46 : x
  2. Step 2: Convert to fraction form
    126,133.21/189,105 = 59,535.46/x
  3. Step 3: Cross multiply
    126,133.21x = 189,105 × 59,535.46
  4. Step 4: Simplify right side
    126,133.21x = 11,258,453,163.30
  5. Step 5: Solve for x
    x = 11,258,453,163.30/126,133.21
  6. Step 6: Final answer
    x = 89,258.44

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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.