Home / 161,367.17-222,694.57-89,745.65

Finding the Fourth Proportional to 161,367.17, 222,694.57 and 89,745.65

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Solution

The fourth proportional to 161,367.17, 222,694.57 and 89,745.65 is: 123,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.17 : 222,694.57 = 89,745.65 : x
  2. Step 2: Convert to fraction form
    161,367.17/222,694.57 = 89,745.65/x
  3. Step 3: Cross multiply
    161,367.17x = 222,694.57 × 89,745.65
  4. Step 4: Simplify right side
    161,367.17x = 19,985,868,769.93
  5. Step 5: Solve for x
    x = 19,985,868,769.93/161,367.17
  6. Step 6: Final answer
    x = 123,853.38

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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.