Home / 161,284.19-222,559.58-89,659.85

Finding the Fourth Proportional to 161,284.19, 222,559.58 and 89,659.85

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Solution

The fourth proportional to 161,284.19, 222,559.58 and 89,659.85 is: 123,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,284.19 : 222,559.58 = 89,659.85 : x
  2. Step 2: Convert to fraction form
    161,284.19/222,559.58 = 89,659.85/x
  3. Step 3: Cross multiply
    161,284.19x = 222,559.58 × 89,659.85
  4. Step 4: Simplify right side
    161,284.19x = 19,954,658,110.56
  5. Step 5: Solve for x
    x = 19,954,658,110.56/161,284.19
  6. Step 6: Final answer
    x = 123,723.58

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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.