Home / 115,974.80-174,221.40-111,251.60

Finding the Fourth Proportional to 115,974.80, 174,221.40 and 111,251.60

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Solution

The fourth proportional to 115,974.80, 174,221.40 and 111,251.60 is: 167,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,974.80 : 174,221.40 = 111,251.60 : x
  2. Step 2: Convert to fraction form
    115,974.80/174,221.40 = 111,251.60/x
  3. Step 3: Cross multiply
    115,974.80x = 174,221.40 × 111,251.60
  4. Step 4: Simplify right side
    115,974.80x = 19,382,409,504.24
  5. Step 5: Solve for x
    x = 19,382,409,504.24/115,974.80
  6. Step 6: Final answer
    x = 167,126.04

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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.