Home / 130,906.18-196,370.63-36,136.43

Finding the Fourth Proportional to 130,906.18, 196,370.63 and 36,136.43

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Solution

The fourth proportional to 130,906.18, 196,370.63 and 36,136.43 is: 54,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,906.18 : 196,370.63 = 36,136.43 : x
  2. Step 2: Convert to fraction form
    130,906.18/196,370.63 = 36,136.43/x
  3. Step 3: Cross multiply
    130,906.18x = 196,370.63 × 36,136.43
  4. Step 4: Simplify right side
    130,906.18x = 7,096,133,234.42
  5. Step 5: Solve for x
    x = 7,096,133,234.42/130,906.18
  6. Step 6: Final answer
    x = 54,207.78

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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.