Home / 205,069.40-307,604.10-202,304.60

Finding the Fourth Proportional to 205,069.40, 307,604.10 and 202,304.60

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Solution

The fourth proportional to 205,069.40, 307,604.10 and 202,304.60 is: 303,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,069.40 : 307,604.10 = 202,304.60 : x
  2. Step 2: Convert to fraction form
    205,069.40/307,604.10 = 202,304.60/x
  3. Step 3: Cross multiply
    205,069.40x = 307,604.10 × 202,304.60
  4. Step 4: Simplify right side
    205,069.40x = 62,229,724,408.86
  5. Step 5: Solve for x
    x = 62,229,724,408.86/205,069.40
  6. Step 6: Final answer
    x = 303,456.90

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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.