Home / 263,820.62-364,072.76-142,960.85

Finding the Fourth Proportional to 263,820.62, 364,072.76 and 142,960.85

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Solution

The fourth proportional to 263,820.62, 364,072.76 and 142,960.85 is: 197,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,820.62 : 364,072.76 = 142,960.85 : x
  2. Step 2: Convert to fraction form
    263,820.62/364,072.76 = 142,960.85/x
  3. Step 3: Cross multiply
    263,820.62x = 364,072.76 × 142,960.85
  4. Step 4: Simplify right side
    263,820.62x = 52,048,149,411.08
  5. Step 5: Solve for x
    x = 52,048,149,411.08/263,820.62
  6. Step 6: Final answer
    x = 197,286.13

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1.5x scale

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.