Home / 167,893.09-231,692.06-91,411.00

Finding the Fourth Proportional to 167,893.09, 231,692.06 and 91,411.00

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Solution

The fourth proportional to 167,893.09, 231,692.06 and 91,411.00 is: 126,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,893.09 : 231,692.06 = 91,411.00 : x
  2. Step 2: Convert to fraction form
    167,893.09/231,692.06 = 91,411.00/x
  3. Step 3: Cross multiply
    167,893.09x = 231,692.06 × 91,411.00
  4. Step 4: Simplify right side
    167,893.09x = 21,179,202,545.96
  5. Step 5: Solve for x
    x = 21,179,202,545.96/167,893.09
  6. Step 6: Final answer
    x = 126,146.96

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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.