Home / 129,310.62-193,966.20-35,816.64

Finding the Fourth Proportional to 129,310.62, 193,966.20 and 35,816.64

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Solution

The fourth proportional to 129,310.62, 193,966.20 and 35,816.64 is: 53,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,310.62 : 193,966.20 = 35,816.64 : x
  2. Step 2: Convert to fraction form
    129,310.62/193,966.20 = 35,816.64/x
  3. Step 3: Cross multiply
    129,310.62x = 193,966.20 × 35,816.64
  4. Step 4: Simplify right side
    129,310.62x = 6,947,217,557.57
  5. Step 5: Solve for x
    x = 6,947,217,557.57/129,310.62
  6. Step 6: Final answer
    x = 53,725.03

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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.