Home / 126,251.08-189,120.54-58,688.44

Finding the Fourth Proportional to 126,251.08, 189,120.54 and 58,688.44

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Solution

The fourth proportional to 126,251.08, 189,120.54 and 58,688.44 is: 87,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.08 : 189,120.54 = 58,688.44 : x
  2. Step 2: Convert to fraction form
    126,251.08/189,120.54 = 58,688.44/x
  3. Step 3: Cross multiply
    126,251.08x = 189,120.54 × 58,688.44
  4. Step 4: Simplify right side
    126,251.08x = 11,099,189,464.56
  5. Step 5: Solve for x
    x = 11,099,189,464.56/126,251.08
  6. Step 6: Final answer
    x = 87,913.62

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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.