Home / 161,375.28-222,694.53-88,775.12

Finding the Fourth Proportional to 161,375.28, 222,694.53 and 88,775.12

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Solution

The fourth proportional to 161,375.28, 222,694.53 and 88,775.12 is: 122,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,375.28 : 222,694.53 = 88,775.12 : x
  2. Step 2: Convert to fraction form
    161,375.28/222,694.53 = 88,775.12/x
  3. Step 3: Cross multiply
    161,375.28x = 222,694.53 × 88,775.12
  4. Step 4: Simplify right side
    161,375.28x = 19,769,733,624.09
  5. Step 5: Solve for x
    x = 19,769,733,624.09/161,375.28
  6. Step 6: Final answer
    x = 122,507.82

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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.