Home / 141,077.66-194,686.90-76,546.88

Finding the Fourth Proportional to 141,077.66, 194,686.90 and 76,546.88

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Solution

The fourth proportional to 141,077.66, 194,686.90 and 76,546.88 is: 105,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,077.66 : 194,686.90 = 76,546.88 : x
  2. Step 2: Convert to fraction form
    141,077.66/194,686.90 = 76,546.88/x
  3. Step 3: Cross multiply
    141,077.66x = 194,686.90 × 76,546.88
  4. Step 4: Simplify right side
    141,077.66x = 14,902,674,771.87
  5. Step 5: Solve for x
    x = 14,902,674,771.87/141,077.66
  6. Step 6: Final answer
    x = 105,634.55

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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.