Home / 122,331.29-168,805.83-68,605.92

Finding the Fourth Proportional to 122,331.29, 168,805.83 and 68,605.92

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Solution

The fourth proportional to 122,331.29, 168,805.83 and 68,605.92 is: 94,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,331.29 : 168,805.83 = 68,605.92 : x
  2. Step 2: Convert to fraction form
    122,331.29/168,805.83 = 68,605.92/x
  3. Step 3: Cross multiply
    122,331.29x = 168,805.83 × 68,605.92
  4. Step 4: Simplify right side
    122,331.29x = 11,581,079,268.51
  5. Step 5: Solve for x
    x = 11,581,079,268.51/122,331.29
  6. Step 6: Final answer
    x = 94,669.81

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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.