Home / 141,156.20-194,795.69-76,625.39

Finding the Fourth Proportional to 141,156.20, 194,795.69 and 76,625.39

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Solution

The fourth proportional to 141,156.20, 194,795.69 and 76,625.39 is: 105,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,156.20 : 194,795.69 = 76,625.39 : x
  2. Step 2: Convert to fraction form
    141,156.20/194,795.69 = 76,625.39/x
  3. Step 3: Cross multiply
    141,156.20x = 194,795.69 × 76,625.39
  4. Step 4: Simplify right side
    141,156.20x = 14,926,295,820.43
  5. Step 5: Solve for x
    x = 14,926,295,820.43/141,156.20
  6. Step 6: Final answer
    x = 105,743.11

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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.