Home / 130,984.98-196,478.82-104,855.82

Finding the Fourth Proportional to 130,984.98, 196,478.82 and 104,855.82

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Solution

The fourth proportional to 130,984.98, 196,478.82 and 104,855.82 is: 157,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,984.98 : 196,478.82 = 104,855.82 : x
  2. Step 2: Convert to fraction form
    130,984.98/196,478.82 = 104,855.82/x
  3. Step 3: Cross multiply
    130,984.98x = 196,478.82 × 104,855.82
  4. Step 4: Simplify right side
    130,984.98x = 20,601,947,783.73
  5. Step 5: Solve for x
    x = 20,601,947,783.73/130,984.98
  6. Step 6: Final answer
    x = 157,284.81

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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.