Home / 161,228.86-222,486.26-89,606.42

Finding the Fourth Proportional to 161,228.86, 222,486.26 and 89,606.42

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Solution

The fourth proportional to 161,228.86, 222,486.26 and 89,606.42 is: 123,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,228.86 : 222,486.26 = 89,606.42 : x
  2. Step 2: Convert to fraction form
    161,228.86/222,486.26 = 89,606.42/x
  3. Step 3: Cross multiply
    161,228.86x = 222,486.26 × 89,606.42
  4. Step 4: Simplify right side
    161,228.86x = 19,936,197,257.79
  5. Step 5: Solve for x
    x = 19,936,197,257.79/161,228.86
  6. Step 6: Final answer
    x = 123,651.54

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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.