Home / 165,072.93-227,797.11-89,621.43

Finding the Fourth Proportional to 165,072.93, 227,797.11 and 89,621.43

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Solution

The fourth proportional to 165,072.93, 227,797.11 and 89,621.43 is: 123,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,072.93 : 227,797.11 = 89,621.43 : x
  2. Step 2: Convert to fraction form
    165,072.93/227,797.11 = 89,621.43/x
  3. Step 3: Cross multiply
    165,072.93x = 227,797.11 × 89,621.43
  4. Step 4: Simplify right side
    165,072.93x = 20,415,502,748.07
  5. Step 5: Solve for x
    x = 20,415,502,748.07/165,072.93
  6. Step 6: Final answer
    x = 123,675.66

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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.