Home / 198,972.95-274,606.47-117,319.68

Finding the Fourth Proportional to 198,972.95, 274,606.47 and 117,319.68

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Solution

The fourth proportional to 198,972.95, 274,606.47 and 117,319.68 is: 161,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,972.95 : 274,606.47 = 117,319.68 : x
  2. Step 2: Convert to fraction form
    198,972.95/274,606.47 = 117,319.68/x
  3. Step 3: Cross multiply
    198,972.95x = 274,606.47 × 117,319.68
  4. Step 4: Simplify right side
    198,972.95x = 32,216,743,186.33
  5. Step 5: Solve for x
    x = 32,216,743,186.33/198,972.95
  6. Step 6: Final answer
    x = 161,915.19

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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.