Home / 129,655.50-194,516.07-36,161.25

Finding the Fourth Proportional to 129,655.50, 194,516.07 and 36,161.25

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Solution

The fourth proportional to 129,655.50, 194,516.07 and 36,161.25 is: 54,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,655.50 : 194,516.07 = 36,161.25 : x
  2. Step 2: Convert to fraction form
    129,655.50/194,516.07 = 36,161.25/x
  3. Step 3: Cross multiply
    129,655.50x = 194,516.07 × 36,161.25
  4. Step 4: Simplify right side
    129,655.50x = 7,033,944,236.29
  5. Step 5: Solve for x
    x = 7,033,944,236.29/129,655.50
  6. Step 6: Final answer
    x = 54,251.03

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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.