Home / 150,142.85-225,249.32-43,529.03

Finding the Fourth Proportional to 150,142.85, 225,249.32 and 43,529.03

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Solution

The fourth proportional to 150,142.85, 225,249.32 and 43,529.03 is: 65,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,142.85 : 225,249.32 = 43,529.03 : x
  2. Step 2: Convert to fraction form
    150,142.85/225,249.32 = 43,529.03/x
  3. Step 3: Cross multiply
    150,142.85x = 225,249.32 × 43,529.03
  4. Step 4: Simplify right side
    150,142.85x = 9,804,884,407.76
  5. Step 5: Solve for x
    x = 9,804,884,407.76/150,142.85
  6. Step 6: Final answer
    x = 65,303.71

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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.