Home / 318,627.92-439,655.06-182,636.84

Finding the Fourth Proportional to 318,627.92, 439,655.06 and 182,636.84

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Solution

The fourth proportional to 318,627.92, 439,655.06 and 182,636.84 is: 252,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,627.92 : 439,655.06 = 182,636.84 : x
  2. Step 2: Convert to fraction form
    318,627.92/439,655.06 = 182,636.84/x
  3. Step 3: Cross multiply
    318,627.92x = 439,655.06 × 182,636.84
  4. Step 4: Simplify right side
    318,627.92x = 80,297,207,736.95
  5. Step 5: Solve for x
    x = 80,297,207,736.95/318,627.92
  6. Step 6: Final answer
    x = 252,009.33

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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.