Home / 139,747.74-192,853.62-76,085.52

Finding the Fourth Proportional to 139,747.74, 192,853.62 and 76,085.52

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Solution

The fourth proportional to 139,747.74, 192,853.62 and 76,085.52 is: 104,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,747.74 : 192,853.62 = 76,085.52 : x
  2. Step 2: Convert to fraction form
    139,747.74/192,853.62 = 76,085.52/x
  3. Step 3: Cross multiply
    139,747.74x = 192,853.62 × 76,085.52
  4. Step 4: Simplify right side
    139,747.74x = 14,673,367,961.58
  5. Step 5: Solve for x
    x = 14,673,367,961.58/139,747.74
  6. Step 6: Final answer
    x = 104,998.96

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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.