Home / 185,456.43-278,145.71-52,305.54

Finding the Fourth Proportional to 185,456.43, 278,145.71 and 52,305.54

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Solution

The fourth proportional to 185,456.43, 278,145.71 and 52,305.54 is: 78,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,456.43 : 278,145.71 = 52,305.54 : x
  2. Step 2: Convert to fraction form
    185,456.43/278,145.71 = 52,305.54/x
  3. Step 3: Cross multiply
    185,456.43x = 278,145.71 × 52,305.54
  4. Step 4: Simplify right side
    185,456.43x = 14,548,561,560.23
  5. Step 5: Solve for x
    x = 14,548,561,560.23/185,456.43
  6. Step 6: Final answer
    x = 78,447.33

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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.