Home / 161,040.96-222,238.08-93,960

Finding the Fourth Proportional to 161,040.96, 222,238.08 and 93,960

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Solution

The fourth proportional to 161,040.96, 222,238.08 and 93,960 is: 129,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,040.96 : 222,238.08 = 93,960 : x
  2. Step 2: Convert to fraction form
    161,040.96/222,238.08 = 93,960/x
  3. Step 3: Cross multiply
    161,040.96x = 222,238.08 × 93,960
  4. Step 4: Simplify right side
    161,040.96x = 20,881,489,996.80
  5. Step 5: Solve for x
    x = 20,881,489,996.80/161,040.96
  6. Step 6: Final answer
    x = 129,665.71

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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.