Home / 338,139.20-467,118.15-270,066.80

Finding the Fourth Proportional to 338,139.20, 467,118.15 and 270,066.80

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Solution

The fourth proportional to 338,139.20, 467,118.15 and 270,066.80 is: 373,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,139.20 : 467,118.15 = 270,066.80 : x
  2. Step 2: Convert to fraction form
    338,139.20/467,118.15 = 270,066.80/x
  3. Step 3: Cross multiply
    338,139.20x = 467,118.15 × 270,066.80
  4. Step 4: Simplify right side
    338,139.20x = 126,153,103,992.42
  5. Step 5: Solve for x
    x = 126,153,103,992.42/338,139.20
  6. Step 6: Final answer
    x = 373,080.39

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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.