Home / 130,474.20-195,749.24-54,608.53

Finding the Fourth Proportional to 130,474.20, 195,749.24 and 54,608.53

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Solution

The fourth proportional to 130,474.20, 195,749.24 and 54,608.53 is: 81,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,474.20 : 195,749.24 = 54,608.53 : x
  2. Step 2: Convert to fraction form
    130,474.20/195,749.24 = 54,608.53/x
  3. Step 3: Cross multiply
    130,474.20x = 195,749.24 × 54,608.53
  4. Step 4: Simplify right side
    130,474.20x = 10,689,578,245.02
  5. Step 5: Solve for x
    x = 10,689,578,245.02/130,474.20
  6. Step 6: Final answer
    x = 81,928.67

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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.