Home / 198,153.92-273,457.04-113,278.88

Finding the Fourth Proportional to 198,153.92, 273,457.04 and 113,278.88

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Solution

The fourth proportional to 198,153.92, 273,457.04 and 113,278.88 is: 156,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,153.92 : 273,457.04 = 113,278.88 : x
  2. Step 2: Convert to fraction form
    198,153.92/273,457.04 = 113,278.88/x
  3. Step 3: Cross multiply
    198,153.92x = 273,457.04 × 113,278.88
  4. Step 4: Simplify right side
    198,153.92x = 30,976,907,219.32
  5. Step 5: Solve for x
    x = 30,976,907,219.32/198,153.92
  6. Step 6: Final answer
    x = 156,327.50

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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.