Home / 339,743.10-510,003.45-199,580.70

Finding the Fourth Proportional to 339,743.10, 510,003.45 and 199,580.70

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Solution

The fourth proportional to 339,743.10, 510,003.45 and 199,580.70 is: 299,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,743.10 : 510,003.45 = 199,580.70 : x
  2. Step 2: Convert to fraction form
    339,743.10/510,003.45 = 199,580.70/x
  3. Step 3: Cross multiply
    339,743.10x = 510,003.45 × 199,580.70
  4. Step 4: Simplify right side
    339,743.10x = 101,786,845,553.42
  5. Step 5: Solve for x
    x = 101,786,845,553.42/339,743.10
  6. Step 6: Final answer
    x = 299,599.45

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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.