Home / 161,331.68-222,651.50-89,725.66

Finding the Fourth Proportional to 161,331.68, 222,651.50 and 89,725.66

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Solution

The fourth proportional to 161,331.68, 222,651.50 and 89,725.66 is: 123,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,331.68 : 222,651.50 = 89,725.66 : x
  2. Step 2: Convert to fraction form
    161,331.68/222,651.50 = 89,725.66/x
  3. Step 3: Cross multiply
    161,331.68x = 222,651.50 × 89,725.66
  4. Step 4: Simplify right side
    161,331.68x = 19,977,552,286.94
  5. Step 5: Solve for x
    x = 19,977,552,286.94/161,331.68
  6. Step 6: Final answer
    x = 123,829.07

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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.