Home / 296,864.19-445,408.37-178,618.57

Finding the Fourth Proportional to 296,864.19, 445,408.37 and 178,618.57

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Solution

The fourth proportional to 296,864.19, 445,408.37 and 178,618.57 is: 267,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,864.19 : 445,408.37 = 178,618.57 : x
  2. Step 2: Convert to fraction form
    296,864.19/445,408.37 = 178,618.57/x
  3. Step 3: Cross multiply
    296,864.19x = 445,408.37 × 178,618.57
  4. Step 4: Simplify right side
    296,864.19x = 79,558,204,778.64
  5. Step 5: Solve for x
    x = 79,558,204,778.64/296,864.19
  6. Step 6: Final answer
    x = 267,995.29

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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.