Home / 226,474.78-339,703.30-76,715.07

Finding the Fourth Proportional to 226,474.78, 339,703.30 and 76,715.07

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Solution

The fourth proportional to 226,474.78, 339,703.30 and 76,715.07 is: 115,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,474.78 : 339,703.30 = 76,715.07 : x
  2. Step 2: Convert to fraction form
    226,474.78/339,703.30 = 76,715.07/x
  3. Step 3: Cross multiply
    226,474.78x = 339,703.30 × 76,715.07
  4. Step 4: Simplify right side
    226,474.78x = 26,060,362,678.47
  5. Step 5: Solve for x
    x = 26,060,362,678.47/226,474.78
  6. Step 6: Final answer
    x = 115,069.60

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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.