Home / 100,696.08-151,040.60-25,816.98

Finding the Fourth Proportional to 100,696.08, 151,040.60 and 25,816.98

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Solution

The fourth proportional to 100,696.08, 151,040.60 and 25,816.98 is: 38,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696.08 : 151,040.60 = 25,816.98 : x
  2. Step 2: Convert to fraction form
    100,696.08/151,040.60 = 25,816.98/x
  3. Step 3: Cross multiply
    100,696.08x = 151,040.60 × 25,816.98
  4. Step 4: Simplify right side
    100,696.08x = 3,899,412,149.39
  5. Step 5: Solve for x
    x = 3,899,412,149.39/100,696.08
  6. Step 6: Final answer
    x = 38,724.57

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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.