Home / 229,042.85-343,615.55-69,121.58

Finding the Fourth Proportional to 229,042.85, 343,615.55 and 69,121.58

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Solution

The fourth proportional to 229,042.85, 343,615.55 and 69,121.58 is: 103,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,042.85 : 343,615.55 = 69,121.58 : x
  2. Step 2: Convert to fraction form
    229,042.85/343,615.55 = 69,121.58/x
  3. Step 3: Cross multiply
    229,042.85x = 343,615.55 × 69,121.58
  4. Step 4: Simplify right side
    229,042.85x = 23,751,247,664.88
  5. Step 5: Solve for x
    x = 23,751,247,664.88/229,042.85
  6. Step 6: Final answer
    x = 103,697.84

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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.