Home / 264,691.20-396,380.70-169,775.40

Finding the Fourth Proportional to 264,691.20, 396,380.70 and 169,775.40

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Solution

The fourth proportional to 264,691.20, 396,380.70 and 169,775.40 is: 254,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,691.20 : 396,380.70 = 169,775.40 : x
  2. Step 2: Convert to fraction form
    264,691.20/396,380.70 = 169,775.40/x
  3. Step 3: Cross multiply
    264,691.20x = 396,380.70 × 169,775.40
  4. Step 4: Simplify right side
    264,691.20x = 67,295,691,894.78
  5. Step 5: Solve for x
    x = 67,295,691,894.78/264,691.20
  6. Step 6: Final answer
    x = 254,242.27

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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.