Home / 165,045.22-227,763.57-89,593.72

Finding the Fourth Proportional to 165,045.22, 227,763.57 and 89,593.72

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Solution

The fourth proportional to 165,045.22, 227,763.57 and 89,593.72 is: 123,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,045.22 : 227,763.57 = 89,593.72 : x
  2. Step 2: Convert to fraction form
    165,045.22/227,763.57 = 89,593.72/x
  3. Step 3: Cross multiply
    165,045.22x = 227,763.57 × 89,593.72
  4. Step 4: Simplify right side
    165,045.22x = 20,406,185,516.78
  5. Step 5: Solve for x
    x = 20,406,185,516.78/165,045.22
  6. Step 6: Final answer
    x = 123,639.97

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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.