Home / 130,698.72-196,021.44-37,179.36

Finding the Fourth Proportional to 130,698.72, 196,021.44 and 37,179.36

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Solution

The fourth proportional to 130,698.72, 196,021.44 and 37,179.36 is: 55,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,698.72 : 196,021.44 = 37,179.36 : x
  2. Step 2: Convert to fraction form
    130,698.72/196,021.44 = 37,179.36/x
  3. Step 3: Cross multiply
    130,698.72x = 196,021.44 × 37,179.36
  4. Step 4: Simplify right side
    130,698.72x = 7,287,951,685.48
  5. Step 5: Solve for x
    x = 7,287,951,685.48/130,698.72
  6. Step 6: Final answer
    x = 55,761.46

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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.