Home / 206,561.14-285,060.04-115,922.66

Finding the Fourth Proportional to 206,561.14, 285,060.04 and 115,922.66

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Solution

The fourth proportional to 206,561.14, 285,060.04 and 115,922.66 is: 159,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,561.14 : 285,060.04 = 115,922.66 : x
  2. Step 2: Convert to fraction form
    206,561.14/285,060.04 = 115,922.66/x
  3. Step 3: Cross multiply
    206,561.14x = 285,060.04 × 115,922.66
  4. Step 4: Simplify right side
    206,561.14x = 33,044,918,096.51
  5. Step 5: Solve for x
    x = 33,044,918,096.51/206,561.14
  6. Step 6: Final answer
    x = 159,976.45

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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.