Home / 198,683.23-274,241.97-113,856.79

Finding the Fourth Proportional to 198,683.23, 274,241.97 and 113,856.79

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Solution

The fourth proportional to 198,683.23, 274,241.97 and 113,856.79 is: 157,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,683.23 : 274,241.97 = 113,856.79 : x
  2. Step 2: Convert to fraction form
    198,683.23/274,241.97 = 113,856.79/x
  3. Step 3: Cross multiply
    198,683.23x = 274,241.97 × 113,856.79
  4. Step 4: Simplify right side
    198,683.23x = 31,224,310,387.48
  5. Step 5: Solve for x
    x = 31,224,310,387.48/198,683.23
  6. Step 6: Final answer
    x = 157,156.25

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1.5x scale

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.