Home / 199,944.24-275,923.32-115,059.60

Finding the Fourth Proportional to 199,944.24, 275,923.32 and 115,059.60

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Solution

The fourth proportional to 199,944.24, 275,923.32 and 115,059.60 is: 158,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,944.24 : 275,923.32 = 115,059.60 : x
  2. Step 2: Convert to fraction form
    199,944.24/275,923.32 = 115,059.60/x
  3. Step 3: Cross multiply
    199,944.24x = 275,923.32 × 115,059.60
  4. Step 4: Simplify right side
    199,944.24x = 31,747,626,829.87
  5. Step 5: Solve for x
    x = 31,747,626,829.87/199,944.24
  6. Step 6: Final answer
    x = 158,782.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.