Home / 257,636.33-386,267.66-173,187.04

Finding the Fourth Proportional to 257,636.33, 386,267.66 and 173,187.04

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Solution

The fourth proportional to 257,636.33, 386,267.66 and 173,187.04 is: 259,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,636.33 : 386,267.66 = 173,187.04 : x
  2. Step 2: Convert to fraction form
    257,636.33/386,267.66 = 173,187.04/x
  3. Step 3: Cross multiply
    257,636.33x = 386,267.66 × 173,187.04
  4. Step 4: Simplify right side
    257,636.33x = 66,896,550,751.79
  5. Step 5: Solve for x
    x = 66,896,550,751.79/257,636.33
  6. Step 6: Final answer
    x = 259,654.96

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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.