Home / 141,131.29-194,761.40-76,600.55

Finding the Fourth Proportional to 141,131.29, 194,761.40 and 76,600.55

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Solution

The fourth proportional to 141,131.29, 194,761.40 and 76,600.55 is: 105,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,131.29 : 194,761.40 = 76,600.55 : x
  2. Step 2: Convert to fraction form
    141,131.29/194,761.40 = 76,600.55/x
  3. Step 3: Cross multiply
    141,131.29x = 194,761.40 × 76,600.55
  4. Step 4: Simplify right side
    141,131.29x = 14,918,830,538.66
  5. Step 5: Solve for x
    x = 14,918,830,538.66/141,131.29
  6. Step 6: Final answer
    x = 105,708.88

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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.