Home / 206,258.96-284,654.78-115,613.48

Finding the Fourth Proportional to 206,258.96, 284,654.78 and 115,613.48

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Solution

The fourth proportional to 206,258.96, 284,654.78 and 115,613.48 is: 159,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258.96 : 284,654.78 = 115,613.48 : x
  2. Step 2: Convert to fraction form
    206,258.96/284,654.78 = 115,613.48/x
  3. Step 3: Cross multiply
    206,258.96x = 284,654.78 × 115,613.48
  4. Step 4: Simplify right side
    206,258.96x = 32,909,927,713.09
  5. Step 5: Solve for x
    x = 32,909,927,713.09/206,258.96
  6. Step 6: Final answer
    x = 159,556.36

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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.