Home / 115,936.65-174,103.26-71,220.15

Finding the Fourth Proportional to 115,936.65, 174,103.26 and 71,220.15

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Solution

The fourth proportional to 115,936.65, 174,103.26 and 71,220.15 is: 106,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,936.65 : 174,103.26 = 71,220.15 : x
  2. Step 2: Convert to fraction form
    115,936.65/174,103.26 = 71,220.15/x
  3. Step 3: Cross multiply
    115,936.65x = 174,103.26 × 71,220.15
  4. Step 4: Simplify right side
    115,936.65x = 12,399,660,292.69
  5. Step 5: Solve for x
    x = 12,399,660,292.69/115,936.65
  6. Step 6: Final answer
    x = 106,952.03

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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.