Home / 226,929.81-313,205.13-131,436.48

Finding the Fourth Proportional to 226,929.81, 313,205.13 and 131,436.48

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Solution

The fourth proportional to 226,929.81, 313,205.13 and 131,436.48 is: 181,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,929.81 : 313,205.13 = 131,436.48 : x
  2. Step 2: Convert to fraction form
    226,929.81/313,205.13 = 131,436.48/x
  3. Step 3: Cross multiply
    226,929.81x = 313,205.13 × 131,436.48
  4. Step 4: Simplify right side
    226,929.81x = 41,166,579,805.14
  5. Step 5: Solve for x
    x = 41,166,579,805.14/226,929.81
  6. Step 6: Final answer
    x = 181,406.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.