Home / 140,879.09-211,401.56-52,194.42

Finding the Fourth Proportional to 140,879.09, 211,401.56 and 52,194.42

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Solution

The fourth proportional to 140,879.09, 211,401.56 and 52,194.42 is: 78,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,879.09 : 211,401.56 = 52,194.42 : x
  2. Step 2: Convert to fraction form
    140,879.09/211,401.56 = 52,194.42/x
  3. Step 3: Cross multiply
    140,879.09x = 211,401.56 × 52,194.42
  4. Step 4: Simplify right side
    140,879.09x = 11,033,981,550.32
  5. Step 5: Solve for x
    x = 11,033,981,550.32/140,879.09
  6. Step 6: Final answer
    x = 78,322.35

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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.