Home / 185,945.80-278,889.34-80,736.52

Finding the Fourth Proportional to 185,945.80, 278,889.34 and 80,736.52

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Solution

The fourth proportional to 185,945.80, 278,889.34 and 80,736.52 is: 121,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,945.80 : 278,889.34 = 80,736.52 : x
  2. Step 2: Convert to fraction form
    185,945.80/278,889.34 = 80,736.52/x
  3. Step 3: Cross multiply
    185,945.80x = 278,889.34 × 80,736.52
  4. Step 4: Simplify right side
    185,945.80x = 22,516,554,776.70
  5. Step 5: Solve for x
    x = 22,516,554,776.70/185,945.80
  6. Step 6: Final answer
    x = 121,092.03

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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.