Home / 185,757.48-278,636.19-45,514.89

Finding the Fourth Proportional to 185,757.48, 278,636.19 and 45,514.89

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Solution

The fourth proportional to 185,757.48, 278,636.19 and 45,514.89 is: 68,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,757.48 : 278,636.19 = 45,514.89 : x
  2. Step 2: Convert to fraction form
    185,757.48/278,636.19 = 45,514.89/x
  3. Step 3: Cross multiply
    185,757.48x = 278,636.19 × 45,514.89
  4. Step 4: Simplify right side
    185,757.48x = 12,682,095,537.87
  5. Step 5: Solve for x
    x = 12,682,095,537.87/185,757.48
  6. Step 6: Final answer
    x = 68,272.33

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1.5x scale

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.