Home / 119,156.35-178,734.39-30,409.85

Finding the Fourth Proportional to 119,156.35, 178,734.39 and 30,409.85

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Solution

The fourth proportional to 119,156.35, 178,734.39 and 30,409.85 is: 45,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,156.35 : 178,734.39 = 30,409.85 : x
  2. Step 2: Convert to fraction form
    119,156.35/178,734.39 = 30,409.85/x
  3. Step 3: Cross multiply
    119,156.35x = 178,734.39 × 30,409.85
  4. Step 4: Simplify right side
    119,156.35x = 5,435,285,989.74
  5. Step 5: Solve for x
    x = 5,435,285,989.74/119,156.35
  6. Step 6: Final answer
    x = 45,614.74

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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.