Home / 203,854.03-281,320.26-113,211.50

Finding the Fourth Proportional to 203,854.03, 281,320.26 and 113,211.50

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Solution

The fourth proportional to 203,854.03, 281,320.26 and 113,211.50 is: 156,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,854.03 : 281,320.26 = 113,211.50 : x
  2. Step 2: Convert to fraction form
    203,854.03/281,320.26 = 113,211.50/x
  3. Step 3: Cross multiply
    203,854.03x = 281,320.26 × 113,211.50
  4. Step 4: Simplify right side
    203,854.03x = 31,848,688,614.99
  5. Step 5: Solve for x
    x = 31,848,688,614.99/203,854.03
  6. Step 6: Final answer
    x = 156,232.81

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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.