Home / 229,740.10-344,375.04-79,857.39

Finding the Fourth Proportional to 229,740.10, 344,375.04 and 79,857.39

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Solution

The fourth proportional to 229,740.10, 344,375.04 and 79,857.39 is: 119,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,740.10 : 344,375.04 = 79,857.39 : x
  2. Step 2: Convert to fraction form
    229,740.10/344,375.04 = 79,857.39/x
  3. Step 3: Cross multiply
    229,740.10x = 344,375.04 × 79,857.39
  4. Step 4: Simplify right side
    229,740.10x = 27,500,893,466.42
  5. Step 5: Solve for x
    x = 27,500,893,466.42/229,740.10
  6. Step 6: Final answer
    x = 119,704.37

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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.