Home / 123,743.80-185,615.70-73,224.10

Finding the Fourth Proportional to 123,743.80, 185,615.70 and 73,224.10

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Solution

The fourth proportional to 123,743.80, 185,615.70 and 73,224.10 is: 109,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.80 : 185,615.70 = 73,224.10 : x
  2. Step 2: Convert to fraction form
    123,743.80/185,615.70 = 73,224.10/x
  3. Step 3: Cross multiply
    123,743.80x = 185,615.70 × 73,224.10
  4. Step 4: Simplify right side
    123,743.80x = 13,591,542,578.37
  5. Step 5: Solve for x
    x = 13,591,542,578.37/123,743.80
  6. Step 6: Final answer
    x = 109,836.15

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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.