Home / 161,528.82-222,901.03-88,917.56

Finding the Fourth Proportional to 161,528.82, 222,901.03 and 88,917.56

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Solution

The fourth proportional to 161,528.82, 222,901.03 and 88,917.56 is: 122,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,528.82 : 222,901.03 = 88,917.56 : x
  2. Step 2: Convert to fraction form
    161,528.82/222,901.03 = 88,917.56/x
  3. Step 3: Cross multiply
    161,528.82x = 222,901.03 × 88,917.56
  4. Step 4: Simplify right side
    161,528.82x = 19,819,815,709.09
  5. Step 5: Solve for x
    x = 19,819,815,709.09/161,528.82
  6. Step 6: Final answer
    x = 122,701.42

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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.