Home / 161,199.86-222,449.09-89,579.25

Finding the Fourth Proportional to 161,199.86, 222,449.09 and 89,579.25

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Solution

The fourth proportional to 161,199.86, 222,449.09 and 89,579.25 is: 123,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,199.86 : 222,449.09 = 89,579.25 : x
  2. Step 2: Convert to fraction form
    161,199.86/222,449.09 = 89,579.25/x
  3. Step 3: Cross multiply
    161,199.86x = 222,449.09 × 89,579.25
  4. Step 4: Simplify right side
    161,199.86x = 19,926,822,197.49
  5. Step 5: Solve for x
    x = 19,926,822,197.49/161,199.86
  6. Step 6: Final answer
    x = 123,615.63

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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.