Home / 198,290.59-273,612.14-113,391.25

Finding the Fourth Proportional to 198,290.59, 273,612.14 and 113,391.25

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Solution

The fourth proportional to 198,290.59, 273,612.14 and 113,391.25 is: 156,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,290.59 : 273,612.14 = 113,391.25 : x
  2. Step 2: Convert to fraction form
    198,290.59/273,612.14 = 113,391.25/x
  3. Step 3: Cross multiply
    198,290.59x = 273,612.14 × 113,391.25
  4. Step 4: Simplify right side
    198,290.59x = 31,025,222,569.78
  5. Step 5: Solve for x
    x = 31,025,222,569.78/198,290.59
  6. Step 6: Final answer
    x = 156,463.41

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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.