Home / 161,134.92-222,359.76-89,511.48

Finding the Fourth Proportional to 161,134.92, 222,359.76 and 89,511.48

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Solution

The fourth proportional to 161,134.92, 222,359.76 and 89,511.48 is: 123,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,134.92 : 222,359.76 = 89,511.48 : x
  2. Step 2: Convert to fraction form
    161,134.92/222,359.76 = 89,511.48/x
  3. Step 3: Cross multiply
    161,134.92x = 222,359.76 × 89,511.48
  4. Step 4: Simplify right side
    161,134.92x = 19,903,751,210.04
  5. Step 5: Solve for x
    x = 19,903,751,210.04/161,134.92
  6. Step 6: Final answer
    x = 123,522.27

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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.