Home / 161,163.14-222,403.52-89,541.65

Finding the Fourth Proportional to 161,163.14, 222,403.52 and 89,541.65

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Solution

The fourth proportional to 161,163.14, 222,403.52 and 89,541.65 is: 123,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.14 : 222,403.52 = 89,541.65 : x
  2. Step 2: Convert to fraction form
    161,163.14/222,403.52 = 89,541.65/x
  3. Step 3: Cross multiply
    161,163.14x = 222,403.52 × 89,541.65
  4. Step 4: Simplify right side
    161,163.14x = 19,914,378,926.47
  5. Step 5: Solve for x
    x = 19,914,378,926.47/161,163.14
  6. Step 6: Final answer
    x = 123,566.59

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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.