Home / 161,481.78-222,613.90-113,586.48

Finding the Fourth Proportional to 161,481.78, 222,613.90 and 113,586.48

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Solution

The fourth proportional to 161,481.78, 222,613.90 and 113,586.48 is: 156,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,481.78 : 222,613.90 = 113,586.48 : x
  2. Step 2: Convert to fraction form
    161,481.78/222,613.90 = 113,586.48/x
  3. Step 3: Cross multiply
    161,481.78x = 222,613.90 × 113,586.48
  4. Step 4: Simplify right side
    161,481.78x = 25,285,929,300.07
  5. Step 5: Solve for x
    x = 25,285,929,300.07/161,481.78
  6. Step 6: Final answer
    x = 156,586.89

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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.