Home / 198,815.22-274,372.59-113,948.70

Finding the Fourth Proportional to 198,815.22, 274,372.59 and 113,948.70

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Solution

The fourth proportional to 198,815.22, 274,372.59 and 113,948.70 is: 157,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,815.22 : 274,372.59 = 113,948.70 : x
  2. Step 2: Convert to fraction form
    198,815.22/274,372.59 = 113,948.70/x
  3. Step 3: Cross multiply
    198,815.22x = 274,372.59 × 113,948.70
  4. Step 4: Simplify right side
    198,815.22x = 31,264,399,946.13
  5. Step 5: Solve for x
    x = 31,264,399,946.13/198,815.22
  6. Step 6: Final answer
    x = 157,253.55

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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.