Home / 363,439.83-545,222.03-123,528.36

Finding the Fourth Proportional to 363,439.83, 545,222.03 and 123,528.36

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Solution

The fourth proportional to 363,439.83, 545,222.03 and 123,528.36 is: 185,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,439.83 : 545,222.03 = 123,528.36 : x
  2. Step 2: Convert to fraction form
    363,439.83/545,222.03 = 123,528.36/x
  3. Step 3: Cross multiply
    363,439.83x = 545,222.03 × 123,528.36
  4. Step 4: Simplify right side
    363,439.83x = 67,350,382,584.13
  5. Step 5: Solve for x
    x = 67,350,382,584.13/363,439.83
  6. Step 6: Final answer
    x = 185,313.71

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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.