Home / 198,015.84-273,262.32-113,132.64

Finding the Fourth Proportional to 198,015.84, 273,262.32 and 113,132.64

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Solution

The fourth proportional to 198,015.84, 273,262.32 and 113,132.64 is: 156,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,015.84 : 273,262.32 = 113,132.64 : x
  2. Step 2: Convert to fraction form
    198,015.84/273,262.32 = 113,132.64/x
  3. Step 3: Cross multiply
    198,015.84x = 273,262.32 × 113,132.64
  4. Step 4: Simplify right side
    198,015.84x = 30,914,887,674.12
  5. Step 5: Solve for x
    x = 30,914,887,674.12/198,015.84
  6. Step 6: Final answer
    x = 156,123.31

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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.