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Finding the Fourth Proportional to 194,189, 267,987.30 and 118,722.92

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Solution

The fourth proportional to 194,189, 267,987.30 and 118,722.92 is: 163,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,189 : 267,987.30 = 118,722.92 : x
  2. Step 2: Convert to fraction form
    194,189/267,987.30 = 118,722.92/x
  3. Step 3: Cross multiply
    194,189x = 267,987.30 × 118,722.92
  4. Step 4: Simplify right side
    194,189x = 31,816,234,778.92
  5. Step 5: Solve for x
    x = 31,816,234,778.92/194,189
  6. Step 6: Final answer
    x = 163,841.59

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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.