Home / 161,277.90-222,576.96-89,664.60

Finding the Fourth Proportional to 161,277.90, 222,576.96 and 89,664.60

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Solution

The fourth proportional to 161,277.90, 222,576.96 and 89,664.60 is: 123,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,277.90 : 222,576.96 = 89,664.60 : x
  2. Step 2: Convert to fraction form
    161,277.90/222,576.96 = 89,664.60/x
  3. Step 3: Cross multiply
    161,277.90x = 222,576.96 × 89,664.60
  4. Step 4: Simplify right side
    161,277.90x = 19,957,274,087.62
  5. Step 5: Solve for x
    x = 19,957,274,087.62/161,277.90
  6. Step 6: Final answer
    x = 123,744.63

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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.