Home / 161,015.56-222,201.96-89,395.76

Finding the Fourth Proportional to 161,015.56, 222,201.96 and 89,395.76

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Solution

The fourth proportional to 161,015.56, 222,201.96 and 89,395.76 is: 123,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,015.56 : 222,201.96 = 89,395.76 : x
  2. Step 2: Convert to fraction form
    161,015.56/222,201.96 = 89,395.76/x
  3. Step 3: Cross multiply
    161,015.56x = 222,201.96 × 89,395.76
  4. Step 4: Simplify right side
    161,015.56x = 19,863,913,087.69
  5. Step 5: Solve for x
    x = 19,863,913,087.69/161,015.56
  6. Step 6: Final answer
    x = 123,366.42

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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.