Home / 161,131.64-222,355.44-89,516.18

Finding the Fourth Proportional to 161,131.64, 222,355.44 and 89,516.18

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Solution

The fourth proportional to 161,131.64, 222,355.44 and 89,516.18 is: 123,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,131.64 : 222,355.44 = 89,516.18 : x
  2. Step 2: Convert to fraction form
    161,131.64/222,355.44 = 89,516.18/x
  3. Step 3: Cross multiply
    161,131.64x = 222,355.44 × 89,516.18
  4. Step 4: Simplify right side
    161,131.64x = 19,904,409,591.02
  5. Step 5: Solve for x
    x = 19,904,409,591.02/161,131.64
  6. Step 6: Final answer
    x = 123,528.87

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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.