Home / 298,147.12-445,517.32-226,677.04

Finding the Fourth Proportional to 298,147.12, 445,517.32 and 226,677.04

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Solution

The fourth proportional to 298,147.12, 445,517.32 and 226,677.04 is: 338,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,147.12 : 445,517.32 = 226,677.04 : x
  2. Step 2: Convert to fraction form
    298,147.12/445,517.32 = 226,677.04/x
  3. Step 3: Cross multiply
    298,147.12x = 445,517.32 × 226,677.04
  4. Step 4: Simplify right side
    298,147.12x = 100,988,547,366.33
  5. Step 5: Solve for x
    x = 100,988,547,366.33/298,147.12
  6. Step 6: Final answer
    x = 338,720.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.