Home / 296,138.77-408,483.20-194,170.80

Finding the Fourth Proportional to 296,138.77, 408,483.20 and 194,170.80

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Solution

The fourth proportional to 296,138.77, 408,483.20 and 194,170.80 is: 267,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,138.77 : 408,483.20 = 194,170.80 : x
  2. Step 2: Convert to fraction form
    296,138.77/408,483.20 = 194,170.80/x
  3. Step 3: Cross multiply
    296,138.77x = 408,483.20 × 194,170.80
  4. Step 4: Simplify right side
    296,138.77x = 79,315,511,747.80
  5. Step 5: Solve for x
    x = 79,315,511,747.80/296,138.77
  6. Step 6: Final answer
    x = 267,832.25

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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.