Home / 141,216.48-194,886-77,556.96

Finding the Fourth Proportional to 141,216.48, 194,886 and 77,556.96

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Solution

The fourth proportional to 141,216.48, 194,886 and 77,556.96 is: 107,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.48 : 194,886 = 77,556.96 : x
  2. Step 2: Convert to fraction form
    141,216.48/194,886 = 77,556.96/x
  3. Step 3: Cross multiply
    141,216.48x = 194,886 × 77,556.96
  4. Step 4: Simplify right side
    141,216.48x = 15,114,765,706.56
  5. Step 5: Solve for x
    x = 15,114,765,706.56/141,216.48
  6. Step 6: Final answer
    x = 107,032.59

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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.