Home / 229,242.20-343,863.30-71,469.40

Finding the Fourth Proportional to 229,242.20, 343,863.30 and 71,469.40

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Solution

The fourth proportional to 229,242.20, 343,863.30 and 71,469.40 is: 107,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,242.20 : 343,863.30 = 71,469.40 : x
  2. Step 2: Convert to fraction form
    229,242.20/343,863.30 = 71,469.40/x
  3. Step 3: Cross multiply
    229,242.20x = 343,863.30 × 71,469.40
  4. Step 4: Simplify right side
    229,242.20x = 24,575,703,733.02
  5. Step 5: Solve for x
    x = 24,575,703,733.02/229,242.20
  6. Step 6: Final answer
    x = 107,204.10

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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.