Home / 161,960.43-223,515.41-89,362.97

Finding the Fourth Proportional to 161,960.43, 223,515.41 and 89,362.97

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Solution

The fourth proportional to 161,960.43, 223,515.41 and 89,362.97 is: 123,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,960.43 : 223,515.41 = 89,362.97 : x
  2. Step 2: Convert to fraction form
    161,960.43/223,515.41 = 89,362.97/x
  3. Step 3: Cross multiply
    161,960.43x = 223,515.41 × 89,362.97
  4. Step 4: Simplify right side
    161,960.43x = 19,974,000,878.37
  5. Step 5: Solve for x
    x = 19,974,000,878.37/161,960.43
  6. Step 6: Final answer
    x = 123,326.43

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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.