Home / 412,344.74-618,533.45-196,151.54

Finding the Fourth Proportional to 412,344.74, 618,533.45 and 196,151.54

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Solution

The fourth proportional to 412,344.74, 618,533.45 and 196,151.54 is: 294,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,344.74 : 618,533.45 = 196,151.54 : x
  2. Step 2: Convert to fraction form
    412,344.74/618,533.45 = 196,151.54/x
  3. Step 3: Cross multiply
    412,344.74x = 618,533.45 × 196,151.54
  4. Step 4: Simplify right side
    412,344.74x = 121,326,288,759.01
  5. Step 5: Solve for x
    x = 121,326,288,759.01/412,344.74
  6. Step 6: Final answer
    x = 294,235.08

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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.