Home / 222,506.36-333,780-72,747.44

Finding the Fourth Proportional to 222,506.36, 333,780 and 72,747.44

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Solution

The fourth proportional to 222,506.36, 333,780 and 72,747.44 is: 109,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,506.36 : 333,780 = 72,747.44 : x
  2. Step 2: Convert to fraction form
    222,506.36/333,780 = 72,747.44/x
  3. Step 3: Cross multiply
    222,506.36x = 333,780 × 72,747.44
  4. Step 4: Simplify right side
    222,506.36x = 24,281,640,523.20
  5. Step 5: Solve for x
    x = 24,281,640,523.20/222,506.36
  6. Step 6: Final answer
    x = 109,127.85

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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.