Home / 123,887.44-185,853.56-45,112.24

Finding the Fourth Proportional to 123,887.44, 185,853.56 and 45,112.24

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Solution

The fourth proportional to 123,887.44, 185,853.56 and 45,112.24 is: 67,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,887.44 : 185,853.56 = 45,112.24 : x
  2. Step 2: Convert to fraction form
    123,887.44/185,853.56 = 45,112.24/x
  3. Step 3: Cross multiply
    123,887.44x = 185,853.56 × 45,112.24
  4. Step 4: Simplify right side
    123,887.44x = 8,384,270,403.57
  5. Step 5: Solve for x
    x = 8,384,270,403.57/123,887.44
  6. Step 6: Final answer
    x = 67,676.52

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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.