Home / 226,556.72-339,622.80-76,692.16

Finding the Fourth Proportional to 226,556.72, 339,622.80 and 76,692.16

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Solution

The fourth proportional to 226,556.72, 339,622.80 and 76,692.16 is: 114,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,556.72 : 339,622.80 = 76,692.16 : x
  2. Step 2: Convert to fraction form
    226,556.72/339,622.80 = 76,692.16/x
  3. Step 3: Cross multiply
    226,556.72x = 339,622.80 × 76,692.16
  4. Step 4: Simplify right side
    226,556.72x = 26,046,406,117.25
  5. Step 5: Solve for x
    x = 26,046,406,117.25/226,556.72
  6. Step 6: Final answer
    x = 114,966.38

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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.