Home / 198,201.17-273,517.80-113,320.01

Finding the Fourth Proportional to 198,201.17, 273,517.80 and 113,320.01

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Solution

The fourth proportional to 198,201.17, 273,517.80 and 113,320.01 is: 156,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,201.17 : 273,517.80 = 113,320.01 : x
  2. Step 2: Convert to fraction form
    198,201.17/273,517.80 = 113,320.01/x
  3. Step 3: Cross multiply
    198,201.17x = 273,517.80 × 113,320.01
  4. Step 4: Simplify right side
    198,201.17x = 30,995,039,831.18
  5. Step 5: Solve for x
    x = 30,995,039,831.18/198,201.17
  6. Step 6: Final answer
    x = 156,381.72

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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.