Home / 194,456.10-292,121.55-187,020.30

Finding the Fourth Proportional to 194,456.10, 292,121.55 and 187,020.30

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Solution

The fourth proportional to 194,456.10, 292,121.55 and 187,020.30 is: 280,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,456.10 : 292,121.55 = 187,020.30 : x
  2. Step 2: Convert to fraction form
    194,456.10/292,121.55 = 187,020.30/x
  3. Step 3: Cross multiply
    194,456.10x = 292,121.55 × 187,020.30
  4. Step 4: Simplify right side
    194,456.10x = 54,632,659,917.47
  5. Step 5: Solve for x
    x = 54,632,659,917.47/194,456.10
  6. Step 6: Final answer
    x = 280,951.12

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1.5x scale

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.