Home / 161,283.54-222,578.88-89,664.76

Finding the Fourth Proportional to 161,283.54, 222,578.88 and 89,664.76

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Solution

The fourth proportional to 161,283.54, 222,578.88 and 89,664.76 is: 123,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,283.54 : 222,578.88 = 89,664.76 : x
  2. Step 2: Convert to fraction form
    161,283.54/222,578.88 = 89,664.76/x
  3. Step 3: Cross multiply
    161,283.54x = 222,578.88 × 89,664.76
  4. Step 4: Simplify right side
    161,283.54x = 19,957,481,856.27
  5. Step 5: Solve for x
    x = 19,957,481,856.27/161,283.54
  6. Step 6: Final answer
    x = 123,741.59

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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.