Home / 206,009.07-308,965.20-116,090.97

Finding the Fourth Proportional to 206,009.07, 308,965.20 and 116,090.97

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Solution

The fourth proportional to 206,009.07, 308,965.20 and 116,090.97 is: 174,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,009.07 : 308,965.20 = 116,090.97 : x
  2. Step 2: Convert to fraction form
    206,009.07/308,965.20 = 116,090.97/x
  3. Step 3: Cross multiply
    206,009.07x = 308,965.20 × 116,090.97
  4. Step 4: Simplify right side
    206,009.07x = 35,868,069,764.24
  5. Step 5: Solve for x
    x = 35,868,069,764.24/206,009.07
  6. Step 6: Final answer
    x = 174,109.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.