Home / 198,116.16-273,419.16-113,216.76

Finding the Fourth Proportional to 198,116.16, 273,419.16 and 113,216.76

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Solution

The fourth proportional to 198,116.16, 273,419.16 and 113,216.76 is: 156,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,116.16 : 273,419.16 = 113,216.76 : x
  2. Step 2: Convert to fraction form
    198,116.16/273,419.16 = 113,216.76/x
  3. Step 3: Cross multiply
    198,116.16x = 273,419.16 × 113,216.76
  4. Step 4: Simplify right side
    198,116.16x = 30,955,631,417.12
  5. Step 5: Solve for x
    x = 30,955,631,417.12/198,116.16
  6. Step 6: Final answer
    x = 156,249.91

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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.