Home / 206,583.06-285,090.30-115,944.66

Finding the Fourth Proportional to 206,583.06, 285,090.30 and 115,944.66

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Solution

The fourth proportional to 206,583.06, 285,090.30 and 115,944.66 is: 160,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,583.06 : 285,090.30 = 115,944.66 : x
  2. Step 2: Convert to fraction form
    206,583.06/285,090.30 = 115,944.66/x
  3. Step 3: Cross multiply
    206,583.06x = 285,090.30 × 115,944.66
  4. Step 4: Simplify right side
    206,583.06x = 33,054,697,902.80
  5. Step 5: Solve for x
    x = 33,054,697,902.80/206,583.06
  6. Step 6: Final answer
    x = 160,006.82

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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.