Home / 165,195.10-227,969.51-89,743.66

Finding the Fourth Proportional to 165,195.10, 227,969.51 and 89,743.66

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Solution

The fourth proportional to 165,195.10, 227,969.51 and 89,743.66 is: 123,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,195.10 : 227,969.51 = 89,743.66 : x
  2. Step 2: Convert to fraction form
    165,195.10/227,969.51 = 89,743.66/x
  3. Step 3: Cross multiply
    165,195.10x = 227,969.51 × 89,743.66
  4. Step 4: Simplify right side
    165,195.10x = 20,458,818,195.81
  5. Step 5: Solve for x
    x = 20,458,818,195.81/165,195.10
  6. Step 6: Final answer
    x = 123,846.40

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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.