Home / 119,255.43-178,881.32-30,508.19

Finding the Fourth Proportional to 119,255.43, 178,881.32 and 30,508.19

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Solution

The fourth proportional to 119,255.43, 178,881.32 and 30,508.19 is: 45,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,255.43 : 178,881.32 = 30,508.19 : x
  2. Step 2: Convert to fraction form
    119,255.43/178,881.32 = 30,508.19/x
  3. Step 3: Cross multiply
    119,255.43x = 178,881.32 × 30,508.19
  4. Step 4: Simplify right side
    119,255.43x = 5,457,344,251.06
  5. Step 5: Solve for x
    x = 5,457,344,251.06/119,255.43
  6. Step 6: Final answer
    x = 45,761.81

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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.