Home / 130,912.63-196,380.23-36,142.83

Finding the Fourth Proportional to 130,912.63, 196,380.23 and 36,142.83

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Solution

The fourth proportional to 130,912.63, 196,380.23 and 36,142.83 is: 54,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,912.63 : 196,380.23 = 36,142.83 : x
  2. Step 2: Convert to fraction form
    130,912.63/196,380.23 = 36,142.83/x
  3. Step 3: Cross multiply
    130,912.63x = 196,380.23 × 36,142.83
  4. Step 4: Simplify right side
    130,912.63x = 7,097,737,087.54
  5. Step 5: Solve for x
    x = 7,097,737,087.54/130,912.63
  6. Step 6: Final answer
    x = 54,217.36

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1.5x scale

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.