Home / 100,812.23-151,219.83-25,930.70

Finding the Fourth Proportional to 100,812.23, 151,219.83 and 25,930.70

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Solution

The fourth proportional to 100,812.23, 151,219.83 and 25,930.70 is: 38,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,812.23 : 151,219.83 = 25,930.70 : x
  2. Step 2: Convert to fraction form
    100,812.23/151,219.83 = 25,930.70/x
  3. Step 3: Cross multiply
    100,812.23x = 151,219.83 × 25,930.70
  4. Step 4: Simplify right side
    100,812.23x = 3,921,236,045.78
  5. Step 5: Solve for x
    x = 3,921,236,045.78/100,812.23
  6. Step 6: Final answer
    x = 38,896.43

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1.5x scale

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.