Home / 161,118.82-222,343.86-89,505.51

Finding the Fourth Proportional to 161,118.82, 222,343.86 and 89,505.51

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Solution

The fourth proportional to 161,118.82, 222,343.86 and 89,505.51 is: 123,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,118.82 : 222,343.86 = 89,505.51 : x
  2. Step 2: Convert to fraction form
    161,118.82/222,343.86 = 89,505.51/x
  3. Step 3: Cross multiply
    161,118.82x = 222,343.86 × 89,505.51
  4. Step 4: Simplify right side
    161,118.82x = 19,901,000,584.67
  5. Step 5: Solve for x
    x = 19,901,000,584.67/161,118.82
  6. Step 6: Final answer
    x = 123,517.54

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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.