Home / 130,906.20-196,355.37-36,142.16

Finding the Fourth Proportional to 130,906.20, 196,355.37 and 36,142.16

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Solution

The fourth proportional to 130,906.20, 196,355.37 and 36,142.16 is: 54,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,906.20 : 196,355.37 = 36,142.16 : x
  2. Step 2: Convert to fraction form
    130,906.20/196,355.37 = 36,142.16/x
  3. Step 3: Cross multiply
    130,906.20x = 196,355.37 × 36,142.16
  4. Step 4: Simplify right side
    130,906.20x = 7,096,707,199.40
  5. Step 5: Solve for x
    x = 7,096,707,199.40/130,906.20
  6. Step 6: Final answer
    x = 54,212.16

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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.