Home / 141,245.35-194,921.96-77,584.48

Finding the Fourth Proportional to 141,245.35, 194,921.96 and 77,584.48

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Solution

The fourth proportional to 141,245.35, 194,921.96 and 77,584.48 is: 107,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,245.35 : 194,921.96 = 77,584.48 : x
  2. Step 2: Convert to fraction form
    141,245.35/194,921.96 = 77,584.48/x
  3. Step 3: Cross multiply
    141,245.35x = 194,921.96 × 77,584.48
  4. Step 4: Simplify right side
    141,245.35x = 15,122,918,031.95
  5. Step 5: Solve for x
    x = 15,122,918,031.95/141,245.35
  6. Step 6: Final answer
    x = 107,068.43

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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.