Home / 119,161.08-178,741.43-30,414.58

Finding the Fourth Proportional to 119,161.08, 178,741.43 and 30,414.58

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Solution

The fourth proportional to 119,161.08, 178,741.43 and 30,414.58 is: 45,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,161.08 : 178,741.43 = 30,414.58 : x
  2. Step 2: Convert to fraction form
    119,161.08/178,741.43 = 30,414.58/x
  3. Step 3: Cross multiply
    119,161.08x = 178,741.43 × 30,414.58
  4. Step 4: Simplify right side
    119,161.08x = 5,436,345,522.05
  5. Step 5: Solve for x
    x = 5,436,345,522.05/119,161.08
  6. Step 6: Final answer
    x = 45,621.82

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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.