Home / 129,917.35-194,876.03-103,673.35

Finding the Fourth Proportional to 129,917.35, 194,876.03 and 103,673.35

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Solution

The fourth proportional to 129,917.35, 194,876.03 and 103,673.35 is: 155,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,917.35 : 194,876.03 = 103,673.35 : x
  2. Step 2: Convert to fraction form
    129,917.35/194,876.03 = 103,673.35/x
  3. Step 3: Cross multiply
    129,917.35x = 194,876.03 × 103,673.35
  4. Step 4: Simplify right side
    129,917.35x = 20,203,450,864.80
  5. Step 5: Solve for x
    x = 20,203,450,864.80/129,917.35
  6. Step 6: Final answer
    x = 155,510.03

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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.