Home / 141,134.30-194,765.54-76,603.56

Finding the Fourth Proportional to 141,134.30, 194,765.54 and 76,603.56

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Solution

The fourth proportional to 141,134.30, 194,765.54 and 76,603.56 is: 105,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,134.30 : 194,765.54 = 76,603.56 : x
  2. Step 2: Convert to fraction form
    141,134.30/194,765.54 = 76,603.56/x
  3. Step 3: Cross multiply
    141,134.30x = 194,765.54 × 76,603.56
  4. Step 4: Simplify right side
    141,134.30x = 14,919,733,729.32
  5. Step 5: Solve for x
    x = 14,919,733,729.32/141,134.30
  6. Step 6: Final answer
    x = 105,713.02

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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.