Home / 161,960.82-223,511.49-93,972.66

Finding the Fourth Proportional to 161,960.82, 223,511.49 and 93,972.66

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Solution

The fourth proportional to 161,960.82, 223,511.49 and 93,972.66 is: 129,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,960.82 : 223,511.49 = 93,972.66 : x
  2. Step 2: Convert to fraction form
    161,960.82/223,511.49 = 93,972.66/x
  3. Step 3: Cross multiply
    161,960.82x = 223,511.49 × 93,972.66
  4. Step 4: Simplify right side
    161,960.82x = 21,003,969,255.86
  5. Step 5: Solve for x
    x = 21,003,969,255.86/161,960.82
  6. Step 6: Final answer
    x = 129,685.50

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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.