Home / 229,016.57-343,548.45-79,256.66

Finding the Fourth Proportional to 229,016.57, 343,548.45 and 79,256.66

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Solution

The fourth proportional to 229,016.57, 343,548.45 and 79,256.66 is: 118,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,016.57 : 343,548.45 = 79,256.66 : x
  2. Step 2: Convert to fraction form
    229,016.57/343,548.45 = 79,256.66/x
  3. Step 3: Cross multiply
    229,016.57x = 343,548.45 × 79,256.66
  4. Step 4: Simplify right side
    229,016.57x = 27,228,500,977.43
  5. Step 5: Solve for x
    x = 27,228,500,977.43/229,016.57
  6. Step 6: Final answer
    x = 118,893.15

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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.