Home / 229,507.20-343,604.70-205,887.60

Finding the Fourth Proportional to 229,507.20, 343,604.70 and 205,887.60

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Solution

The fourth proportional to 229,507.20, 343,604.70 and 205,887.60 is: 308,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,507.20 : 343,604.70 = 205,887.60 : x
  2. Step 2: Convert to fraction form
    229,507.20/343,604.70 = 205,887.60/x
  3. Step 3: Cross multiply
    229,507.20x = 343,604.70 × 205,887.60
  4. Step 4: Simplify right side
    229,507.20x = 70,743,947,031.72
  5. Step 5: Solve for x
    x = 70,743,947,031.72/229,507.20
  6. Step 6: Final answer
    x = 308,242.82

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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.