Home / 258,050.73-387,202.91-115,996.38

Finding the Fourth Proportional to 258,050.73, 387,202.91 and 115,996.38

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Solution

The fourth proportional to 258,050.73, 387,202.91 and 115,996.38 is: 174,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,050.73 : 387,202.91 = 115,996.38 : x
  2. Step 2: Convert to fraction form
    258,050.73/387,202.91 = 115,996.38/x
  3. Step 3: Cross multiply
    258,050.73x = 387,202.91 × 115,996.38
  4. Step 4: Simplify right side
    258,050.73x = 44,914,133,804.46
  5. Step 5: Solve for x
    x = 44,914,133,804.46/258,050.73
  6. Step 6: Final answer
    x = 174,051.56

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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.