Home / 161,071.92-222,273.16-89,456.56

Finding the Fourth Proportional to 161,071.92, 222,273.16 and 89,456.56

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Solution

The fourth proportional to 161,071.92, 222,273.16 and 89,456.56 is: 123,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,071.92 : 222,273.16 = 89,456.56 : x
  2. Step 2: Convert to fraction form
    161,071.92/222,273.16 = 89,456.56/x
  3. Step 3: Cross multiply
    161,071.92x = 222,273.16 × 89,456.56
  4. Step 4: Simplify right side
    161,071.92x = 19,883,792,273.93
  5. Step 5: Solve for x
    x = 19,883,792,273.93/161,071.92
  6. Step 6: Final answer
    x = 123,446.67

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1.5x scale

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.