Home / 226,574.59-312,696.83-129,786.17

Finding the Fourth Proportional to 226,574.59, 312,696.83 and 129,786.17

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Solution

The fourth proportional to 226,574.59, 312,696.83 and 129,786.17 is: 179,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,574.59 : 312,696.83 = 129,786.17 : x
  2. Step 2: Convert to fraction form
    226,574.59/312,696.83 = 129,786.17/x
  3. Step 3: Cross multiply
    226,574.59x = 312,696.83 × 129,786.17
  4. Step 4: Simplify right side
    226,574.59x = 40,583,723,936.84
  5. Step 5: Solve for x
    x = 40,583,723,936.84/226,574.59
  6. Step 6: Final answer
    x = 179,118.60

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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.