Home / 129,606.48-194,293.08-67,087.44

Finding the Fourth Proportional to 129,606.48, 194,293.08 and 67,087.44

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Solution

The fourth proportional to 129,606.48, 194,293.08 and 67,087.44 is: 100,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,606.48 : 194,293.08 = 67,087.44 : x
  2. Step 2: Convert to fraction form
    129,606.48/194,293.08 = 67,087.44/x
  3. Step 3: Cross multiply
    129,606.48x = 194,293.08 × 67,087.44
  4. Step 4: Simplify right side
    129,606.48x = 13,034,625,346.92
  5. Step 5: Solve for x
    x = 13,034,625,346.92/129,606.48
  6. Step 6: Final answer
    x = 100,570.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.