Home / 165,072.94-227,800.65-89,621.44

Finding the Fourth Proportional to 165,072.94, 227,800.65 and 89,621.44

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Solution

The fourth proportional to 165,072.94, 227,800.65 and 89,621.44 is: 123,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,072.94 : 227,800.65 = 89,621.44 : x
  2. Step 2: Convert to fraction form
    165,072.94/227,800.65 = 89,621.44/x
  3. Step 3: Cross multiply
    165,072.94x = 227,800.65 × 89,621.44
  4. Step 4: Simplify right side
    165,072.94x = 20,415,822,052.51
  5. Step 5: Solve for x
    x = 20,415,822,052.51/165,072.94
  6. Step 6: Final answer
    x = 123,677.58

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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.