Home / 141,186.20-194,839.25-76,655.43

Finding the Fourth Proportional to 141,186.20, 194,839.25 and 76,655.43

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Solution

The fourth proportional to 141,186.20, 194,839.25 and 76,655.43 is: 105,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.20 : 194,839.25 = 76,655.43 : x
  2. Step 2: Convert to fraction form
    141,186.20/194,839.25 = 76,655.43/x
  3. Step 3: Cross multiply
    141,186.20x = 194,839.25 × 76,655.43
  4. Step 4: Simplify right side
    141,186.20x = 14,935,486,106.35
  5. Step 5: Solve for x
    x = 14,935,486,106.35/141,186.20
  6. Step 6: Final answer
    x = 105,785.74

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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.