Home / 268,513.44-402,766.56-108,587.04

Finding the Fourth Proportional to 268,513.44, 402,766.56 and 108,587.04

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Solution

The fourth proportional to 268,513.44, 402,766.56 and 108,587.04 is: 162,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,513.44 : 402,766.56 = 108,587.04 : x
  2. Step 2: Convert to fraction form
    268,513.44/402,766.56 = 108,587.04/x
  3. Step 3: Cross multiply
    268,513.44x = 402,766.56 × 108,587.04
  4. Step 4: Simplify right side
    268,513.44x = 43,735,228,561.38
  5. Step 5: Solve for x
    x = 43,735,228,561.38/268,513.44
  6. Step 6: Final answer
    x = 162,879.10

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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.