Home / 203,795.83-281,247.03-113,151.81

Finding the Fourth Proportional to 203,795.83, 281,247.03 and 113,151.81

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Solution

The fourth proportional to 203,795.83, 281,247.03 and 113,151.81 is: 156,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,795.83 : 281,247.03 = 113,151.81 : x
  2. Step 2: Convert to fraction form
    203,795.83/281,247.03 = 113,151.81/x
  3. Step 3: Cross multiply
    203,795.83x = 281,247.03 × 113,151.81
  4. Step 4: Simplify right side
    203,795.83x = 31,823,610,501.62
  5. Step 5: Solve for x
    x = 31,823,610,501.62/203,795.83
  6. Step 6: Final answer
    x = 156,154.38

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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.