Home / 229,100.40-343,650.60-225,601.20

Finding the Fourth Proportional to 229,100.40, 343,650.60 and 225,601.20

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Solution

The fourth proportional to 229,100.40, 343,650.60 and 225,601.20 is: 338,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,100.40 : 343,650.60 = 225,601.20 : x
  2. Step 2: Convert to fraction form
    229,100.40/343,650.60 = 225,601.20/x
  3. Step 3: Cross multiply
    229,100.40x = 343,650.60 × 225,601.20
  4. Step 4: Simplify right side
    229,100.40x = 77,527,987,740.72
  5. Step 5: Solve for x
    x = 77,527,987,740.72/229,100.40
  6. Step 6: Final answer
    x = 338,401.80

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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.