Home / 166,999.09-230,473.32-91,562.17

Finding the Fourth Proportional to 166,999.09, 230,473.32 and 91,562.17

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Solution

The fourth proportional to 166,999.09, 230,473.32 and 91,562.17 is: 126,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,999.09 : 230,473.32 = 91,562.17 : x
  2. Step 2: Convert to fraction form
    166,999.09/230,473.32 = 91,562.17/x
  3. Step 3: Cross multiply
    166,999.09x = 230,473.32 × 91,562.17
  4. Step 4: Simplify right side
    166,999.09x = 21,102,636,153.94
  5. Step 5: Solve for x
    x = 21,102,636,153.94/166,999.09
  6. Step 6: Final answer
    x = 126,363.78

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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.