Home / 226,533.12-339,776.28-76,769.52

Finding the Fourth Proportional to 226,533.12, 339,776.28 and 76,769.52

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Solution

The fourth proportional to 226,533.12, 339,776.28 and 76,769.52 is: 115,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,533.12 : 339,776.28 = 76,769.52 : x
  2. Step 2: Convert to fraction form
    226,533.12/339,776.28 = 76,769.52/x
  3. Step 3: Cross multiply
    226,533.12x = 339,776.28 × 76,769.52
  4. Step 4: Simplify right side
    226,533.12x = 26,084,461,922.99
  5. Step 5: Solve for x
    x = 26,084,461,922.99/226,533.12
  6. Step 6: Final answer
    x = 115,146.35

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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.