Home / 198,058.97-273,356.32-117,530.90

Finding the Fourth Proportional to 198,058.97, 273,356.32 and 117,530.90

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Solution

The fourth proportional to 198,058.97, 273,356.32 and 117,530.90 is: 162,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,058.97 : 273,356.32 = 117,530.90 : x
  2. Step 2: Convert to fraction form
    198,058.97/273,356.32 = 117,530.90/x
  3. Step 3: Cross multiply
    198,058.97x = 273,356.32 × 117,530.90
  4. Step 4: Simplify right side
    198,058.97x = 32,127,813,895.14
  5. Step 5: Solve for x
    x = 32,127,813,895.14/198,058.97
  6. Step 6: Final answer
    x = 162,213.37

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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.