Home / 198,637.29-274,120.54-116,969.09

Finding the Fourth Proportional to 198,637.29, 274,120.54 and 116,969.09

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Solution

The fourth proportional to 198,637.29, 274,120.54 and 116,969.09 is: 161,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,637.29 : 274,120.54 = 116,969.09 : x
  2. Step 2: Convert to fraction form
    198,637.29/274,120.54 = 116,969.09/x
  3. Step 3: Cross multiply
    198,637.29x = 274,120.54 × 116,969.09
  4. Step 4: Simplify right side
    198,637.29x = 32,063,628,451.08
  5. Step 5: Solve for x
    x = 32,063,628,451.08/198,637.29
  6. Step 6: Final answer
    x = 161,417.97

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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.