Home / 161,179.92-222,418.08-89,555.76

Finding the Fourth Proportional to 161,179.92, 222,418.08 and 89,555.76

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Solution

The fourth proportional to 161,179.92, 222,418.08 and 89,555.76 is: 123,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179.92 : 222,418.08 = 89,555.76 : x
  2. Step 2: Convert to fraction form
    161,179.92/222,418.08 = 89,555.76/x
  3. Step 3: Cross multiply
    161,179.92x = 222,418.08 × 89,555.76
  4. Step 4: Simplify right side
    161,179.92x = 19,918,820,192.14
  5. Step 5: Solve for x
    x = 19,918,820,192.14/161,179.92
  6. Step 6: Final answer
    x = 123,581.28

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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.