Home / 141,104.67-194,723.91-77,443.53

Finding the Fourth Proportional to 141,104.67, 194,723.91 and 77,443.53

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Solution

The fourth proportional to 141,104.67, 194,723.91 and 77,443.53 is: 106,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,104.67 : 194,723.91 = 77,443.53 : x
  2. Step 2: Convert to fraction form
    141,104.67/194,723.91 = 77,443.53/x
  3. Step 3: Cross multiply
    141,104.67x = 194,723.91 × 77,443.53
  4. Step 4: Simplify right side
    141,104.67x = 15,080,106,965.80
  5. Step 5: Solve for x
    x = 15,080,106,965.80/141,104.67
  6. Step 6: Final answer
    x = 106,871.78

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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.