Home / 130,759.80-195,896.09-109,835.69

Finding the Fourth Proportional to 130,759.80, 195,896.09 and 109,835.69

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Solution

The fourth proportional to 130,759.80, 195,896.09 and 109,835.69 is: 164,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,759.80 : 195,896.09 = 109,835.69 : x
  2. Step 2: Convert to fraction form
    130,759.80/195,896.09 = 109,835.69/x
  3. Step 3: Cross multiply
    130,759.80x = 195,896.09 × 109,835.69
  4. Step 4: Simplify right side
    130,759.80x = 21,516,380,684.79
  5. Step 5: Solve for x
    x = 21,516,380,684.79/130,759.80
  6. Step 6: Final answer
    x = 164,548.90

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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.