Home / 203,926.85-281,411.22-113,288.51

Finding the Fourth Proportional to 203,926.85, 281,411.22 and 113,288.51

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Solution

The fourth proportional to 203,926.85, 281,411.22 and 113,288.51 is: 156,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,926.85 : 281,411.22 = 113,288.51 : x
  2. Step 2: Convert to fraction form
    203,926.85/281,411.22 = 113,288.51/x
  3. Step 3: Cross multiply
    203,926.85x = 281,411.22 × 113,288.51
  4. Step 4: Simplify right side
    203,926.85x = 31,880,657,811.08
  5. Step 5: Solve for x
    x = 31,880,657,811.08/203,926.85
  6. Step 6: Final answer
    x = 156,333.79

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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.