Home / 294,512.20-406,428.78-167,189.92

Finding the Fourth Proportional to 294,512.20, 406,428.78 and 167,189.92

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Solution

The fourth proportional to 294,512.20, 406,428.78 and 167,189.92 is: 230,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,512.20 : 406,428.78 = 167,189.92 : x
  2. Step 2: Convert to fraction form
    294,512.20/406,428.78 = 167,189.92/x
  3. Step 3: Cross multiply
    294,512.20x = 406,428.78 × 167,189.92
  4. Step 4: Simplify right side
    294,512.20x = 67,950,795,213.90
  5. Step 5: Solve for x
    x = 67,950,795,213.90/294,512.20
  6. Step 6: Final answer
    x = 230,723.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.