Home / 206,539.47-285,001.34-115,876.58

Finding the Fourth Proportional to 206,539.47, 285,001.34 and 115,876.58

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Solution

The fourth proportional to 206,539.47, 285,001.34 and 115,876.58 is: 159,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,539.47 : 285,001.34 = 115,876.58 : x
  2. Step 2: Convert to fraction form
    206,539.47/285,001.34 = 115,876.58/x
  3. Step 3: Cross multiply
    206,539.47x = 285,001.34 × 115,876.58
  4. Step 4: Simplify right side
    206,539.47x = 33,024,978,570.23
  5. Step 5: Solve for x
    x = 33,024,978,570.23/206,539.47
  6. Step 6: Final answer
    x = 159,896.69

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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.