Home / 203,981.94-281,494.17-113,352.66

Finding the Fourth Proportional to 203,981.94, 281,494.17 and 113,352.66

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Solution

The fourth proportional to 203,981.94, 281,494.17 and 113,352.66 is: 156,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,981.94 : 281,494.17 = 113,352.66 : x
  2. Step 2: Convert to fraction form
    203,981.94/281,494.17 = 113,352.66/x
  3. Step 3: Cross multiply
    203,981.94x = 281,494.17 × 113,352.66
  4. Step 4: Simplify right side
    203,981.94x = 31,908,112,943.99
  5. Step 5: Solve for x
    x = 31,908,112,943.99/203,981.94
  6. Step 6: Final answer
    x = 156,426.17

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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.