Home / 206,544.47-285,008.23-115,881.58

Finding the Fourth Proportional to 206,544.47, 285,008.23 and 115,881.58

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Solution

The fourth proportional to 206,544.47, 285,008.23 and 115,881.58 is: 159,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,544.47 : 285,008.23 = 115,881.58 : x
  2. Step 2: Convert to fraction form
    206,544.47/285,008.23 = 115,881.58/x
  3. Step 3: Cross multiply
    206,544.47x = 285,008.23 × 115,881.58
  4. Step 4: Simplify right side
    206,544.47x = 33,027,204,005.40
  5. Step 5: Solve for x
    x = 33,027,204,005.40/206,544.47
  6. Step 6: Final answer
    x = 159,903.60

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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.