Home / 151,578.10-209,193.37-96,425.66

Finding the Fourth Proportional to 151,578.10, 209,193.37 and 96,425.66

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Solution

The fourth proportional to 151,578.10, 209,193.37 and 96,425.66 is: 133,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,578.10 : 209,193.37 = 96,425.66 : x
  2. Step 2: Convert to fraction form
    151,578.10/209,193.37 = 96,425.66/x
  3. Step 3: Cross multiply
    151,578.10x = 209,193.37 × 96,425.66
  4. Step 4: Simplify right side
    151,578.10x = 20,171,608,769.87
  5. Step 5: Solve for x
    x = 20,171,608,769.87/151,578.10
  6. Step 6: Final answer
    x = 133,077.33

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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.