Home / 161,200.52-222,462.11-89,583.56

Finding the Fourth Proportional to 161,200.52, 222,462.11 and 89,583.56

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Solution

The fourth proportional to 161,200.52, 222,462.11 and 89,583.56 is: 123,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,200.52 : 222,462.11 = 89,583.56 : x
  2. Step 2: Convert to fraction form
    161,200.52/222,462.11 = 89,583.56/x
  3. Step 3: Cross multiply
    161,200.52x = 222,462.11 × 89,583.56
  4. Step 4: Simplify right side
    161,200.52x = 19,928,947,778.91
  5. Step 5: Solve for x
    x = 19,928,947,778.91/161,200.52
  6. Step 6: Final answer
    x = 123,628.31

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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.