Home / 295,512.10-443,268.15-82,279.60

Finding the Fourth Proportional to 295,512.10, 443,268.15 and 82,279.60

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Solution

The fourth proportional to 295,512.10, 443,268.15 and 82,279.60 is: 123,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,512.10 : 443,268.15 = 82,279.60 : x
  2. Step 2: Convert to fraction form
    295,512.10/443,268.15 = 82,279.60/x
  3. Step 3: Cross multiply
    295,512.10x = 443,268.15 × 82,279.60
  4. Step 4: Simplify right side
    295,512.10x = 36,471,926,074.74
  5. Step 5: Solve for x
    x = 36,471,926,074.74/295,512.10
  6. Step 6: Final answer
    x = 123,419.40

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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.