Home / 198,965.18-274,572.66-108,322.22

Finding the Fourth Proportional to 198,965.18, 274,572.66 and 108,322.22

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Solution

The fourth proportional to 198,965.18, 274,572.66 and 108,322.22 is: 149,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,965.18 : 274,572.66 = 108,322.22 : x
  2. Step 2: Convert to fraction form
    198,965.18/274,572.66 = 108,322.22/x
  3. Step 3: Cross multiply
    198,965.18x = 274,572.66 × 108,322.22
  4. Step 4: Simplify right side
    198,965.18x = 29,742,320,082.51
  5. Step 5: Solve for x
    x = 29,742,320,082.51/198,965.18
  6. Step 6: Final answer
    x = 149,485.05

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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.