Home / 203,427.23-305,099.14-77,023.87

Finding the Fourth Proportional to 203,427.23, 305,099.14 and 77,023.87

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Solution

The fourth proportional to 203,427.23, 305,099.14 and 77,023.87 is: 115,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,427.23 : 305,099.14 = 77,023.87 : x
  2. Step 2: Convert to fraction form
    203,427.23/305,099.14 = 77,023.87/x
  3. Step 3: Cross multiply
    203,427.23x = 305,099.14 × 77,023.87
  4. Step 4: Simplify right side
    203,427.23x = 23,499,914,585.86
  5. Step 5: Solve for x
    x = 23,499,914,585.86/203,427.23
  6. Step 6: Final answer
    x = 115,520.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.