Home / 161,344.12-222,651.84-89,723.52

Finding the Fourth Proportional to 161,344.12, 222,651.84 and 89,723.52

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Solution

The fourth proportional to 161,344.12, 222,651.84 and 89,723.52 is: 123,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,344.12 : 222,651.84 = 89,723.52 : x
  2. Step 2: Convert to fraction form
    161,344.12/222,651.84 = 89,723.52/x
  3. Step 3: Cross multiply
    161,344.12x = 222,651.84 × 89,723.52
  4. Step 4: Simplify right side
    161,344.12x = 19,977,106,819.28
  5. Step 5: Solve for x
    x = 19,977,106,819.28/161,344.12
  6. Step 6: Final answer
    x = 123,816.76

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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.