Home / 205,233.40-307,850.10-191,236.60

Finding the Fourth Proportional to 205,233.40, 307,850.10 and 191,236.60

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Solution

The fourth proportional to 205,233.40, 307,850.10 and 191,236.60 is: 286,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,233.40 : 307,850.10 = 191,236.60 : x
  2. Step 2: Convert to fraction form
    205,233.40/307,850.10 = 191,236.60/x
  3. Step 3: Cross multiply
    205,233.40x = 307,850.10 × 191,236.60
  4. Step 4: Simplify right side
    205,233.40x = 58,872,206,433.66
  5. Step 5: Solve for x
    x = 58,872,206,433.66/205,233.40
  6. Step 6: Final answer
    x = 286,854.90

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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.