Home / 229,223.20-343,818.96-71,436.64

Finding the Fourth Proportional to 229,223.20, 343,818.96 and 71,436.64

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Solution

The fourth proportional to 229,223.20, 343,818.96 and 71,436.64 is: 107,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,223.20 : 343,818.96 = 71,436.64 : x
  2. Step 2: Convert to fraction form
    229,223.20/343,818.96 = 71,436.64/x
  3. Step 3: Cross multiply
    229,223.20x = 343,818.96 × 71,436.64
  4. Step 4: Simplify right side
    229,223.20x = 24,561,271,270.69
  5. Step 5: Solve for x
    x = 24,561,271,270.69/229,223.20
  6. Step 6: Final answer
    x = 107,150.02

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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.