Home / 130,791.20-196,191.56-36,028.69

Finding the Fourth Proportional to 130,791.20, 196,191.56 and 36,028.69

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Solution

The fourth proportional to 130,791.20, 196,191.56 and 36,028.69 is: 54,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,791.20 : 196,191.56 = 36,028.69 : x
  2. Step 2: Convert to fraction form
    130,791.20/196,191.56 = 36,028.69/x
  3. Step 3: Cross multiply
    130,791.20x = 196,191.56 × 36,028.69
  4. Step 4: Simplify right side
    130,791.20x = 7,068,524,495.45
  5. Step 5: Solve for x
    x = 7,068,524,495.45/130,791.20
  6. Step 6: Final answer
    x = 54,044.35

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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.