Home / 226,429.49-339,624.63-76,666.46

Finding the Fourth Proportional to 226,429.49, 339,624.63 and 76,666.46

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Solution

The fourth proportional to 226,429.49, 339,624.63 and 76,666.46 is: 114,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,429.49 : 339,624.63 = 76,666.46 : x
  2. Step 2: Convert to fraction form
    226,429.49/339,624.63 = 76,666.46/x
  3. Step 3: Cross multiply
    226,429.49x = 339,624.63 × 76,666.46
  4. Step 4: Simplify right side
    226,429.49x = 26,037,816,412.79
  5. Step 5: Solve for x
    x = 26,037,816,412.79/226,429.49
  6. Step 6: Final answer
    x = 114,993.04

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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.